31941220

素因数分解:

$2^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{2531}}^1$

素因数の和:3171

約数の個数: 24

約数和(自身を含む): 67209408

約数和(自身を除く): 35268188

約数列:

[1, 2, 4, 5, 10, 20, 631, 1262, 2524, 2531, 3155, 5062, 6310, 10124, 12620, 12655, 25310, 50620, 1597061, 3194122, 6388244, 7985305, 15970610, 31941220]

約数ペア:

[(1, 31941220), (2, 15970610), (4, 7985305), (5, 6388244), (10, 3194122), (20, 1597061), (631, 50620), (1262, 25310), (2524, 12655), (2531, 12620), (3155, 10124), (5062, 6310)]