40191964

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{1033}}^1$

素因数の和:1245

約数の個数: 24

約数和(自身を含む): 71916768

約数和(自身を除く): 31724804

約数列:

[1, 2, 4, 71, 137, 142, 274, 284, 548, 1033, 2066, 4132, 9727, 19454, 38908, 73343, 141521, 146686, 283042, 293372, 566084, 10047991, 20095982, 40191964]

約数ペア:

[(1, 40191964), (2, 20095982), (4, 10047991), (71, 566084), (137, 293372), (142, 283042), (274, 146686), (284, 141521), (548, 73343), (1033, 38908), (2066, 19454), (4132, 9727)]