81068180

素因数分解:

$2^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{14323}}^1$

素因数の和:14615

約数の個数: 24

約数和(自身を含む): 170856672

約数和(自身を除く): 89788492

約数列:

[1, 2, 4, 5, 10, 20, 283, 566, 1132, 1415, 2830, 5660, 14323, 28646, 57292, 71615, 143230, 286460, 4053409, 8106818, 16213636, 20267045, 40534090, 81068180]

約数ペア:

[(1, 81068180), (2, 40534090), (4, 20267045), (5, 16213636), (10, 8106818), (20, 4053409), (283, 286460), (566, 143230), (1132, 71615), (1415, 57292), (2830, 28646), (5660, 14323)]