25376440

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{2341}}^1$

素因数の和:2623

約数の個数: 32

約数和(自身を含む): 57332160

約数和(自身を除く): 31955720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2341, 2710, 4682, 5420, 9364, 10840, 11705, 18728, 23410, 46820, 93640, 634411, 1268822, 2537644, 3172055, 5075288, 6344110, 12688220, 25376440]

約数ペア:

[(1, 25376440), (2, 12688220), (4, 6344110), (5, 5075288), (8, 3172055), (10, 2537644), (20, 1268822), (40, 634411), (271, 93640), (542, 46820), (1084, 23410), (1355, 18728), (2168, 11705), (2341, 10840), (2710, 9364), (4682, 5420)]