222172880

素因数分解:

$2^4\times 5^1\times {\mathrm{2777161}}^1$

素因数の和:2777174

約数の個数: 20

約数和(自身を含む): 516552132

約数和(自身を除く): 294379252

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2777161, 5554322, 11108644, 13885805, 22217288, 27771610, 44434576, 55543220, 111086440, 222172880]

約数ペア:

[(1, 222172880), (2, 111086440), (4, 55543220), (5, 44434576), (8, 27771610), (10, 22217288), (16, 13885805), (20, 11108644), (40, 5554322), (80, 2777161)]