85436980

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{9643}}^1$

素因数の和:10095

約数の個数: 24

約数和(自身を含む): 179841312

約数和(自身を除く): 94404332

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1772, 2215, 4430, 8860, 9643, 19286, 38572, 48215, 96430, 192860, 4271849, 8543698, 17087396, 21359245, 42718490, 85436980]

約数ペア:

[(1, 85436980), (2, 42718490), (4, 21359245), (5, 17087396), (10, 8543698), (20, 4271849), (443, 192860), (886, 96430), (1772, 48215), (2215, 38572), (4430, 19286), (8860, 9643)]