25791056

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1973}}^1$

素因数の和:2043

約数の個数: 40

約数和(自身を含む): 53850720

約数和(自身を除く): 28059664

約数列:

[1, 2, 4, 8, 16, 19, 38, 43, 76, 86, 152, 172, 304, 344, 688, 817, 1634, 1973, 3268, 3946, 6536, 7892, 13072, 15784, 31568, 37487, 74974, 84839, 149948, 169678, 299896, 339356, 599792, 678712, 1357424, 1611941, 3223882, 6447764, 12895528, 25791056]

約数ペア:

[(1, 25791056), (2, 12895528), (4, 6447764), (8, 3223882), (16, 1611941), (19, 1357424), (38, 678712), (43, 599792), (76, 339356), (86, 299896), (152, 169678), (172, 149948), (304, 84839), (344, 74974), (688, 37487), (817, 31568), (1634, 15784), (1973, 13072), (3268, 7892), (3946, 6536)]