8213540

素因数分解:

$2^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{823}}^1$

素因数の和:1331

約数の個数: 24

約数和(自身を含む): 17304000

約数和(自身を除く): 9090460

約数列:

[1, 2, 4, 5, 10, 20, 499, 823, 998, 1646, 1996, 2495, 3292, 4115, 4990, 8230, 9980, 16460, 410677, 821354, 1642708, 2053385, 4106770, 8213540]

約数ペア:

[(1, 8213540), (2, 4106770), (4, 2053385), (5, 1642708), (10, 821354), (20, 410677), (499, 16460), (823, 9980), (998, 8230), (1646, 4990), (1996, 4115), (2495, 3292)]