28745840

素因数分解:

$2^4\times 5^1\times {\mathrm{359323}}^1$

素因数の和:359336

約数の個数: 20

約数和(自身を含む): 66834264

約数和(自身を除く): 38088424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 359323, 718646, 1437292, 1796615, 2874584, 3593230, 5749168, 7186460, 14372920, 28745840]

約数ペア:

[(1, 28745840), (2, 14372920), (4, 7186460), (5, 5749168), (8, 3593230), (10, 2874584), (16, 1796615), (20, 1437292), (40, 718646), (80, 359323)]