2135398840

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{751901}}^1$

素因数の和:751983

約数の個数: 32

約数和(自身を含む): 4872324960

約数和(自身を除く): 2736926120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 751901, 1503802, 3007604, 3759505, 6015208, 7519010, 15038020, 30076040, 53384971, 106769942, 213539884, 266924855, 427079768, 533849710, 1067699420, 2135398840]

約数ペア:

[(1, 2135398840), (2, 1067699420), (4, 533849710), (5, 427079768), (8, 266924855), (10, 213539884), (20, 106769942), (40, 53384971), (71, 30076040), (142, 15038020), (284, 7519010), (355, 6015208), (568, 3759505), (710, 3007604), (1420, 1503802), (2840, 751901)]