40747610

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1979}}^1$

素因数の和:2086

約数の個数: 32

約数和(自身を含む): 76982400

約数和(自身を除く): 36234790

約数列:

[1, 2, 5, 10, 29, 58, 71, 142, 145, 290, 355, 710, 1979, 2059, 3958, 4118, 9895, 10295, 19790, 20590, 57391, 114782, 140509, 281018, 286955, 573910, 702545, 1405090, 4074761, 8149522, 20373805, 40747610]

約数ペア:

[(1, 40747610), (2, 20373805), (5, 8149522), (10, 4074761), (29, 1405090), (58, 702545), (71, 573910), (142, 286955), (145, 281018), (290, 140509), (355, 114782), (710, 57391), (1979, 20590), (2059, 19790), (3958, 10295), (4118, 9895)]