31892920

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{7741}}^1$

素因数の和:7855

約数の個数: 32

約数和(自身を含む): 72465120

約数和(自身を除く): 40572200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 7741, 15482, 30964, 38705, 61928, 77410, 154820, 309640, 797323, 1594646, 3189292, 3986615, 6378584, 7973230, 15946460, 31892920]

約数ペア:

[(1, 31892920), (2, 15946460), (4, 7973230), (5, 6378584), (8, 3986615), (10, 3189292), (20, 1594646), (40, 797323), (103, 309640), (206, 154820), (412, 77410), (515, 61928), (824, 38705), (1030, 30964), (2060, 15482), (4120, 7741)]