25397360

素因数分解:

$2^4\times 5^1\times {\mathrm{167}}^1\times {\mathrm{1901}}^1$

素因数の和:2081

約数の個数: 40

約数和(自身を含む): 59433696

約数和(自身を除く): 34036336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167, 334, 668, 835, 1336, 1670, 1901, 2672, 3340, 3802, 6680, 7604, 9505, 13360, 15208, 19010, 30416, 38020, 76040, 152080, 317467, 634934, 1269868, 1587335, 2539736, 3174670, 5079472, 6349340, 12698680, 25397360]

約数ペア:

[(1, 25397360), (2, 12698680), (4, 6349340), (5, 5079472), (8, 3174670), (10, 2539736), (16, 1587335), (20, 1269868), (40, 634934), (80, 317467), (167, 152080), (334, 76040), (668, 38020), (835, 30416), (1336, 19010), (1670, 15208), (1901, 13360), (2672, 9505), (3340, 7604), (3802, 6680)]