26681660

素因数分解:

$2^2\times 5^1\times {\mathrm{823}}^1\times {\mathrm{1621}}^1$

素因数の和:2453

約数の個数: 24

約数和(自身を含む): 56134176

約数和(自身を除く): 29452516

約数列:

[1, 2, 4, 5, 10, 20, 823, 1621, 1646, 3242, 3292, 4115, 6484, 8105, 8230, 16210, 16460, 32420, 1334083, 2668166, 5336332, 6670415, 13340830, 26681660]

約数ペア:

[(1, 26681660), (2, 13340830), (4, 6670415), (5, 5336332), (10, 2668166), (20, 1334083), (823, 32420), (1621, 16460), (1646, 16210), (3242, 8230), (3292, 8105), (4115, 6484)]