89861960

素因数分解:

$2^3\times 5^1\times {\mathrm{1031}}^1\times {\mathrm{2179}}^1$

素因数の和:3221

約数の個数: 32

約数和(自身を含む): 202478400

約数和(自身を除く): 112616440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1031, 2062, 2179, 4124, 4358, 5155, 8248, 8716, 10310, 10895, 17432, 20620, 21790, 41240, 43580, 87160, 2246549, 4493098, 8986196, 11232745, 17972392, 22465490, 44930980, 89861960]

約数ペア:

[(1, 89861960), (2, 44930980), (4, 22465490), (5, 17972392), (8, 11232745), (10, 8986196), (20, 4493098), (40, 2246549), (1031, 87160), (2062, 43580), (2179, 41240), (4124, 21790), (4358, 20620), (5155, 17432), (8248, 10895), (8716, 10310)]