90152980

素因数分解:

$2^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{6967}}^1$

素因数の和:7623

約数の個数: 24

約数和(自身を含む): 189641088

約数和(自身を除く): 99488108

約数列:

[1, 2, 4, 5, 10, 20, 647, 1294, 2588, 3235, 6470, 6967, 12940, 13934, 27868, 34835, 69670, 139340, 4507649, 9015298, 18030596, 22538245, 45076490, 90152980]

約数ペア:

[(1, 90152980), (2, 45076490), (4, 22538245), (5, 18030596), (10, 9015298), (20, 4507649), (647, 139340), (1294, 69670), (2588, 34835), (3235, 27868), (6470, 13934), (6967, 12940)]