25412440

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{11987}}^1$

素因数の和:12051

約数の個数: 32

約数和(自身を含む): 58261680

約数和(自身を除く): 32849240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 11987, 23974, 47948, 59935, 95896, 119870, 239740, 479480, 635311, 1270622, 2541244, 3176555, 5082488, 6353110, 12706220, 25412440]

約数ペア:

[(1, 25412440), (2, 12706220), (4, 6353110), (5, 5082488), (8, 3176555), (10, 2541244), (20, 1270622), (40, 635311), (53, 479480), (106, 239740), (212, 119870), (265, 95896), (424, 59935), (530, 47948), (1060, 23974), (2120, 11987)]