16427080

素因数分解:

$2^3\times 5^1\times {\mathrm{499}}^1\times {\mathrm{823}}^1$

素因数の和:1333

約数の個数: 32

約数和(自身を含む): 37080000

約数和(自身を除く): 20652920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 499, 823, 998, 1646, 1996, 2495, 3292, 3992, 4115, 4990, 6584, 8230, 9980, 16460, 19960, 32920, 410677, 821354, 1642708, 2053385, 3285416, 4106770, 8213540, 16427080]

約数ペア:

[(1, 16427080), (2, 8213540), (4, 4106770), (5, 3285416), (8, 2053385), (10, 1642708), (20, 821354), (40, 410677), (499, 32920), (823, 19960), (998, 16460), (1646, 9980), (1996, 8230), (2495, 6584), (3292, 4990), (3992, 4115)]