31439740

素因数分解:

$2^2\times 5^1\times {\mathrm{1231}}^1\times {\mathrm{1277}}^1$

素因数の和:2517

約数の個数: 24

約数和(自身を含む): 66128832

約数和(自身を除く): 34689092

約数列:

[1, 2, 4, 5, 10, 20, 1231, 1277, 2462, 2554, 4924, 5108, 6155, 6385, 12310, 12770, 24620, 25540, 1571987, 3143974, 6287948, 7859935, 15719870, 31439740]

約数ペア:

[(1, 31439740), (2, 15719870), (4, 7859935), (5, 6287948), (10, 3143974), (20, 1571987), (1231, 25540), (1277, 24620), (2462, 12770), (2554, 12310), (4924, 6385), (5108, 6155)]