109888880

素因数分解:

$2^4\times 5^1\times {\mathrm{1373611}}^1$

素因数の和:1373624

約数の個数: 20

約数和(自身を含む): 255491832

約数和(自身を除く): 145602952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1373611, 2747222, 5494444, 6868055, 10988888, 13736110, 21977776, 27472220, 54944440, 109888880]

約数ペア:

[(1, 109888880), (2, 54944440), (4, 27472220), (5, 21977776), (8, 13736110), (10, 10988888), (16, 6868055), (20, 5494444), (40, 2747222), (80, 1373611)]