85168040

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{10091}}^1$

素因数の和:10313

約数の個数: 32

約数和(自身を含む): 192555360

約数和(自身を除く): 107387320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 8440, 10091, 20182, 40364, 50455, 80728, 100910, 201820, 403640, 2129201, 4258402, 8516804, 10646005, 17033608, 21292010, 42584020, 85168040]

約数ペア:

[(1, 85168040), (2, 42584020), (4, 21292010), (5, 17033608), (8, 10646005), (10, 8516804), (20, 4258402), (40, 2129201), (211, 403640), (422, 201820), (844, 100910), (1055, 80728), (1688, 50455), (2110, 40364), (4220, 20182), (8440, 10091)]