25787960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:141

約数の個数: 128

約数和(自身を含む): 68428800

約数和(自身を除く): 42640840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 43, 44, 47, 55, 58, 86, 88, 94, 110, 116, 145, 172, 188, 215, 220, 232, 235, 290, 319, 344, 376, 430, 440, 470, 473, 517, 580, 638, 860, 940, 946, 1034, 1160, 1247, 1276, 1363, 1595, 1720, 1880, 1892, 2021, 2068, 2365, 2494, 2552, 2585, 2726, 3190, 3784, 4042, 4136, 4730, 4988, 5170, 5452, 6235, 6380, 6815, 8084, 9460, 9976, 10105, 10340, 10904, 12470, 12760, 13630, 13717, 14993, 16168, 18920, 20210, 20680, 22231, 24940, 27260, 27434, 29986, 40420, 44462, 49880, 54520, 54868, 58609, 59972, 68585, 74965, 80840, 88924, 109736, 111155, 117218, 119944, 137170, 149930, 177848, 222310, 234436, 274340, 293045, 299860, 444620, 468872, 548680, 586090, 599720, 644699, 889240, 1172180, 1289398, 2344360, 2578796, 3223495, 5157592, 6446990, 12893980, 25787960]

約数ペア:

[(1, 25787960), (2, 12893980), (4, 6446990), (5, 5157592), (8, 3223495), (10, 2578796), (11, 2344360), (20, 1289398), (22, 1172180), (29, 889240), (40, 644699), (43, 599720), (44, 586090), (47, 548680), (55, 468872), (58, 444620), (86, 299860), (88, 293045), (94, 274340), (110, 234436), (116, 222310), (145, 177848), (172, 149930), (188, 137170), (215, 119944), (220, 117218), (232, 111155), (235, 109736), (290, 88924), (319, 80840), (344, 74965), (376, 68585), (430, 59972), (440, 58609), (470, 54868), (473, 54520), (517, 49880), (580, 44462), (638, 40420), (860, 29986), (940, 27434), (946, 27260), (1034, 24940), (1160, 22231), (1247, 20680), (1276, 20210), (1363, 18920), (1595, 16168), (1720, 14993), (1880, 13717), (1892, 13630), (2021, 12760), (2068, 12470), (2365, 10904), (2494, 10340), (2552, 10105), (2585, 9976), (2726, 9460), (3190, 8084), (3784, 6815), (4042, 6380), (4136, 6235), (4730, 5452), (4988, 5170)]