79706180

素因数分解:

$2^2\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{3911}}^1$

素因数の和:4939

約数の個数: 24

約数和(自身を含む): 167590080

約数和(自身を除く): 87883900

約数列:

[1, 2, 4, 5, 10, 20, 1019, 2038, 3911, 4076, 5095, 7822, 10190, 15644, 19555, 20380, 39110, 78220, 3985309, 7970618, 15941236, 19926545, 39853090, 79706180]

約数ペア:

[(1, 79706180), (2, 39853090), (4, 19926545), (5, 15941236), (10, 7970618), (20, 3985309), (1019, 78220), (2038, 39110), (3911, 20380), (4076, 19555), (5095, 15644), (7822, 10190)]