85181920

素因数分解:

$2^5\times 5^1\times {\mathrm{157}}^1\times {\mathrm{3391}}^1$

素因数の和:3563

約数の個数: 48

約数和(自身を含む): 202583808

約数和(自身を除く): 117401888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 157, 160, 314, 628, 785, 1256, 1570, 2512, 3140, 3391, 5024, 6280, 6782, 12560, 13564, 16955, 25120, 27128, 33910, 54256, 67820, 108512, 135640, 271280, 532387, 542560, 1064774, 2129548, 2661935, 4259096, 5323870, 8518192, 10647740, 17036384, 21295480, 42590960, 85181920]

約数ペア:

[(1, 85181920), (2, 42590960), (4, 21295480), (5, 17036384), (8, 10647740), (10, 8518192), (16, 5323870), (20, 4259096), (32, 2661935), (40, 2129548), (80, 1064774), (157, 542560), (160, 532387), (314, 271280), (628, 135640), (785, 108512), (1256, 67820), (1570, 54256), (2512, 33910), (3140, 27128), (3391, 25120), (5024, 16955), (6280, 13564), (6782, 12560)]