40205405

素因数分解:

$5^1\times {\mathrm{61}}^2\times {\mathrm{2161}}^1$

素因数の和:2288

約数の個数: 12

約数和(自身を含む): 49073076

約数和(自身を除く): 8867671

約数列:

[1, 5, 61, 305, 2161, 3721, 10805, 18605, 131821, 659105, 8041081, 40205405]

約数ペア:

[(1, 40205405), (5, 8041081), (61, 659105), (305, 131821), (2161, 18605), (3721, 10805)]