13089680

素因数分解:

$2^4\times 5^1\times {\mathrm{163621}}^1$

素因数の和:163634

約数の個数: 20

約数和(自身を含む): 30433692

約数和(自身を除く): 17344012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163621, 327242, 654484, 818105, 1308968, 1636210, 2617936, 3272420, 6544840, 13089680]

約数ペア:

[(1, 13089680), (2, 6544840), (4, 3272420), (5, 2617936), (8, 1636210), (10, 1308968), (16, 818105), (20, 654484), (40, 327242), (80, 163621)]