5318446640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5113891}}^1$

素因数の和:5113917

約数の個数: 40

約数和(自身を含む): 13316574768

約数和(自身を除く): 7998128128

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 5113891, 10227782, 20455564, 25569455, 40911128, 51138910, 66480583, 81822256, 102277820, 132961166, 204555640, 265922332, 332402915, 409111280, 531844664, 664805830, 1063689328, 1329611660, 2659223320, 5318446640]

約数ペア:

[(1, 5318446640), (2, 2659223320), (4, 1329611660), (5, 1063689328), (8, 664805830), (10, 531844664), (13, 409111280), (16, 332402915), (20, 265922332), (26, 204555640), (40, 132961166), (52, 102277820), (65, 81822256), (80, 66480583), (104, 51138910), (130, 40911128), (208, 25569455), (260, 20455564), (520, 10227782), (1040, 5113891)]