2008607320

素因数分解:

$2^3\times 5^1\times {\mathrm{2213}}^1\times {\mathrm{22691}}^1$

素因数の和:24915

約数の個数: 32

約数和(自身を含む): 4521607920

約数和(自身を除く): 2513000600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2213, 4426, 8852, 11065, 17704, 22130, 22691, 44260, 45382, 88520, 90764, 113455, 181528, 226910, 453820, 907640, 50215183, 100430366, 200860732, 251075915, 401721464, 502151830, 1004303660, 2008607320]

約数ペア:

[(1, 2008607320), (2, 1004303660), (4, 502151830), (5, 401721464), (8, 251075915), (10, 200860732), (20, 100430366), (40, 50215183), (2213, 907640), (4426, 453820), (8852, 226910), (11065, 181528), (17704, 113455), (22130, 90764), (22691, 88520), (44260, 45382)]