25892020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:110

約数の個数: 192

約数和(自身を含む): 76640256

約数和(自身を除く): 50748236

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 23, 28, 34, 35, 43, 44, 46, 55, 68, 70, 77, 85, 86, 92, 110, 115, 119, 140, 154, 161, 170, 172, 187, 215, 220, 230, 238, 253, 301, 308, 322, 340, 374, 385, 391, 430, 460, 473, 476, 506, 595, 602, 644, 731, 748, 770, 782, 805, 860, 935, 946, 989, 1012, 1190, 1204, 1265, 1309, 1462, 1505, 1540, 1564, 1610, 1771, 1870, 1892, 1955, 1978, 2365, 2380, 2530, 2618, 2737, 2924, 3010, 3220, 3311, 3542, 3655, 3740, 3910, 3956, 4301, 4730, 4945, 5060, 5117, 5236, 5474, 6020, 6545, 6622, 6923, 7084, 7310, 7820, 8041, 8602, 8855, 9460, 9890, 10234, 10879, 10948, 13090, 13244, 13685, 13846, 14620, 16082, 16555, 16813, 17204, 17710, 19780, 20468, 21505, 21758, 25585, 26180, 27370, 27692, 30107, 32164, 33110, 33626, 34615, 35420, 40205, 43010, 43516, 51170, 54395, 54740, 56287, 60214, 66220, 67252, 69230, 76153, 80410, 84065, 86020, 102340, 108790, 112574, 117691, 120428, 138460, 150535, 152306, 160820, 168130, 184943, 217580, 225148, 235382, 281435, 301070, 304612, 336260, 369886, 380765, 470764, 562870, 588455, 602140, 739772, 761530, 924715, 1125740, 1176910, 1294601, 1523060, 1849430, 2353820, 2589202, 3698860, 5178404, 6473005, 12946010, 25892020]

約数ペア:

[(1, 25892020), (2, 12946010), (4, 6473005), (5, 5178404), (7, 3698860), (10, 2589202), (11, 2353820), (14, 1849430), (17, 1523060), (20, 1294601), (22, 1176910), (23, 1125740), (28, 924715), (34, 761530), (35, 739772), (43, 602140), (44, 588455), (46, 562870), (55, 470764), (68, 380765), (70, 369886), (77, 336260), (85, 304612), (86, 301070), (92, 281435), (110, 235382), (115, 225148), (119, 217580), (140, 184943), (154, 168130), (161, 160820), (170, 152306), (172, 150535), (187, 138460), (215, 120428), (220, 117691), (230, 112574), (238, 108790), (253, 102340), (301, 86020), (308, 84065), (322, 80410), (340, 76153), (374, 69230), (385, 67252), (391, 66220), (430, 60214), (460, 56287), (473, 54740), (476, 54395), (506, 51170), (595, 43516), (602, 43010), (644, 40205), (731, 35420), (748, 34615), (770, 33626), (782, 33110), (805, 32164), (860, 30107), (935, 27692), (946, 27370), (989, 26180), (1012, 25585), (1190, 21758), (1204, 21505), (1265, 20468), (1309, 19780), (1462, 17710), (1505, 17204), (1540, 16813), (1564, 16555), (1610, 16082), (1771, 14620), (1870, 13846), (1892, 13685), (1955, 13244), (1978, 13090), (2365, 10948), (2380, 10879), (2530, 10234), (2618, 9890), (2737, 9460), (2924, 8855), (3010, 8602), (3220, 8041), (3311, 7820), (3542, 7310), (3655, 7084), (3740, 6923), (3910, 6622), (3956, 6545), (4301, 6020), (4730, 5474), (4945, 5236), (5060, 5117)]