218825840

素因数分解:

$2^4\times 5^1\times {\mathrm{2735323}}^1$

素因数の和:2735336

約数の個数: 20

約数和(自身を含む): 508770264

約数和(自身を除く): 289944424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2735323, 5470646, 10941292, 13676615, 21882584, 27353230, 43765168, 54706460, 109412920, 218825840]

約数ペア:

[(1, 218825840), (2, 109412920), (4, 54706460), (5, 43765168), (8, 27353230), (10, 21882584), (16, 13676615), (20, 10941292), (40, 5470646), (80, 2735323)]