42668405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{1637}}^1$

素因数の和:2056

約数の個数: 16

約数和(自身を含む): 55311984

約数和(自身を除く): 12643579

約数列:

[1, 5, 13, 65, 401, 1637, 2005, 5213, 8185, 21281, 26065, 106405, 656437, 3282185, 8533681, 42668405]

約数ペア:

[(1, 42668405), (5, 8533681), (13, 3282185), (65, 656437), (401, 106405), (1637, 26065), (2005, 21281), (5213, 8185)]