25411240

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{2531}}^1$

素因数の和:2793

約数の個数: 32

約数和(自身を含む): 57425760

約数和(自身を除く): 32014520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 2531, 5020, 5062, 10040, 10124, 12655, 20248, 25310, 50620, 101240, 635281, 1270562, 2541124, 3176405, 5082248, 6352810, 12705620, 25411240]

約数ペア:

[(1, 25411240), (2, 12705620), (4, 6352810), (5, 5082248), (8, 3176405), (10, 2541124), (20, 1270562), (40, 635281), (251, 101240), (502, 50620), (1004, 25310), (1255, 20248), (2008, 12655), (2510, 10124), (2531, 10040), (5020, 5062)]