85577540

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{54163}}^1$

素因数の和:54251

約数の個数: 24

約数和(自身を含む): 181991040

約数和(自身を除く): 96413500

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 54163, 108326, 216652, 270815, 541630, 1083260, 4278877, 8557754, 17115508, 21394385, 42788770, 85577540]

約数ペア:

[(1, 85577540), (2, 42788770), (4, 21394385), (5, 17115508), (10, 8557754), (20, 4278877), (79, 1083260), (158, 541630), (316, 270815), (395, 216652), (790, 108326), (1580, 54163)]