90613960

素因数分解:

$2^3\times 5^1\times {\mathrm{457}}^1\times {\mathrm{4957}}^1$

素因数の和:5425

約数の個数: 32

約数和(自身を含む): 204368760

約数和(自身を除く): 113754800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 457, 914, 1828, 2285, 3656, 4570, 4957, 9140, 9914, 18280, 19828, 24785, 39656, 49570, 99140, 198280, 2265349, 4530698, 9061396, 11326745, 18122792, 22653490, 45306980, 90613960]

約数ペア:

[(1, 90613960), (2, 45306980), (4, 22653490), (5, 18122792), (8, 11326745), (10, 9061396), (20, 4530698), (40, 2265349), (457, 198280), (914, 99140), (1828, 49570), (2285, 39656), (3656, 24785), (4570, 19828), (4957, 18280), (9140, 9914)]