205238410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{769}}^1\times {\mathrm{2053}}^1$

素因数の和:2842

約数の個数: 32

約数和(自身を含む): 398558160

約数和(自身を除く): 193319750

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 769, 1538, 2053, 3845, 4106, 7690, 9997, 10265, 19994, 20530, 26689, 49985, 53378, 99970, 133445, 266890, 1578757, 3157514, 7893785, 15787570, 20523841, 41047682, 102619205, 205238410]

約数ペア:

[(1, 205238410), (2, 102619205), (5, 41047682), (10, 20523841), (13, 15787570), (26, 7893785), (65, 3157514), (130, 1578757), (769, 266890), (1538, 133445), (2053, 99970), (3845, 53378), (4106, 49985), (7690, 26689), (9997, 20530), (10265, 19994)]