25461160

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:298

約数の個数: 64

約数和(自身を含む): 59590080

約数和(自身を除く): 34128920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 113, 131, 172, 215, 226, 262, 344, 430, 452, 524, 565, 655, 860, 904, 1048, 1130, 1310, 1720, 2260, 2620, 4520, 4859, 5240, 5633, 9718, 11266, 14803, 19436, 22532, 24295, 28165, 29606, 38872, 45064, 48590, 56330, 59212, 74015, 97180, 112660, 118424, 148030, 194360, 225320, 296060, 592120, 636529, 1273058, 2546116, 3182645, 5092232, 6365290, 12730580, 25461160]

約数ペア:

[(1, 25461160), (2, 12730580), (4, 6365290), (5, 5092232), (8, 3182645), (10, 2546116), (20, 1273058), (40, 636529), (43, 592120), (86, 296060), (113, 225320), (131, 194360), (172, 148030), (215, 118424), (226, 112660), (262, 97180), (344, 74015), (430, 59212), (452, 56330), (524, 48590), (565, 45064), (655, 38872), (860, 29606), (904, 28165), (1048, 24295), (1130, 22532), (1310, 19436), (1720, 14803), (2260, 11266), (2620, 9718), (4520, 5633), (4859, 5240)]