40812890

素因数分解:

$2^1\times 5^1\times {\mathrm{1279}}^1\times {\mathrm{3191}}^1$

素因数の和:4477

約数の個数: 16

約数和(自身を含む): 73543680

約数和(自身を除く): 32730790

約数列:

[1, 2, 5, 10, 1279, 2558, 3191, 6382, 6395, 12790, 15955, 31910, 4081289, 8162578, 20406445, 40812890]

約数ペア:

[(1, 40812890), (2, 20406445), (5, 8162578), (10, 4081289), (1279, 31910), (2558, 15955), (3191, 12790), (6382, 6395)]