25880708420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{401}}^1$

素因数の和:682

約数の個数: 192

約数和(自身を含む): 65042030592

約数和(自身を除く): 39161322172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 71, 86, 140, 142, 151, 172, 215, 284, 301, 302, 355, 401, 430, 497, 602, 604, 710, 755, 802, 860, 994, 1057, 1204, 1420, 1505, 1510, 1604, 1988, 2005, 2114, 2485, 2807, 3010, 3020, 3053, 4010, 4228, 4970, 5285, 5614, 6020, 6106, 6493, 8020, 9940, 10570, 10721, 11228, 12212, 12986, 14035, 15265, 17243, 21140, 21371, 21442, 25972, 28070, 28471, 30530, 32465, 34486, 42742, 42884, 45451, 53605, 56140, 56942, 60551, 61060, 64930, 68972, 75047, 85484, 86215, 90902, 106855, 107210, 113884, 120701, 121102, 129860, 142355, 150094, 172430, 181804, 199297, 213710, 214420, 227255, 241402, 242204, 284710, 300188, 302755, 344860, 375235, 398594, 423857, 427420, 454510, 461003, 482804, 569420, 603505, 605510, 750470, 797188, 847714, 909020, 922006, 996485, 1207010, 1211020, 1224253, 1500940, 1695428, 1844012, 1992970, 2119285, 2305015, 2414020, 2448506, 2603693, 3227021, 3985940, 4238570, 4299121, 4610030, 4897012, 5207386, 6121265, 6454042, 8477140, 8569771, 8598242, 9220060, 10414772, 12242530, 12908084, 13018465, 16135105, 17139542, 17196484, 18225851, 21495605, 24485060, 26036930, 30093847, 32270210, 34279084, 36451702, 42848855, 42991210, 52073860, 60187694, 64540420, 72903404, 85697710, 85982420, 91129255, 120375388, 150469235, 171395420, 182258510, 184862203, 300938470, 364517020, 369724406, 601876940, 739448812, 924311015, 1294035421, 1848622030, 2588070842, 3697244060, 5176141684, 6470177105, 12940354210, 25880708420]

約数ペア:

[(1, 25880708420), (2, 12940354210), (4, 6470177105), (5, 5176141684), (7, 3697244060), (10, 2588070842), (14, 1848622030), (20, 1294035421), (28, 924311015), (35, 739448812), (43, 601876940), (70, 369724406), (71, 364517020), (86, 300938470), (140, 184862203), (142, 182258510), (151, 171395420), (172, 150469235), (215, 120375388), (284, 91129255), (301, 85982420), (302, 85697710), (355, 72903404), (401, 64540420), (430, 60187694), (497, 52073860), (602, 42991210), (604, 42848855), (710, 36451702), (755, 34279084), (802, 32270210), (860, 30093847), (994, 26036930), (1057, 24485060), (1204, 21495605), (1420, 18225851), (1505, 17196484), (1510, 17139542), (1604, 16135105), (1988, 13018465), (2005, 12908084), (2114, 12242530), (2485, 10414772), (2807, 9220060), (3010, 8598242), (3020, 8569771), (3053, 8477140), (4010, 6454042), (4228, 6121265), (4970, 5207386), (5285, 4897012), (5614, 4610030), (6020, 4299121), (6106, 4238570), (6493, 3985940), (8020, 3227021), (9940, 2603693), (10570, 2448506), (10721, 2414020), (11228, 2305015), (12212, 2119285), (12986, 1992970), (14035, 1844012), (15265, 1695428), (17243, 1500940), (21140, 1224253), (21371, 1211020), (21442, 1207010), (25972, 996485), (28070, 922006), (28471, 909020), (30530, 847714), (32465, 797188), (34486, 750470), (42742, 605510), (42884, 603505), (45451, 569420), (53605, 482804), (56140, 461003), (56942, 454510), (60551, 427420), (61060, 423857), (64930, 398594), (68972, 375235), (75047, 344860), (85484, 302755), (86215, 300188), (90902, 284710), (106855, 242204), (107210, 241402), (113884, 227255), (120701, 214420), (121102, 213710), (129860, 199297), (142355, 181804), (150094, 172430)]