51155660

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{32377}}^1$

素因数の和:32465

約数の個数: 24

約数和(自身を含む): 108790080

約数和(自身を除く): 57634420

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 32377, 64754, 129508, 161885, 323770, 647540, 2557783, 5115566, 10231132, 12788915, 25577830, 51155660]

約数ペア:

[(1, 51155660), (2, 25577830), (4, 12788915), (5, 10231132), (10, 5115566), (20, 2557783), (79, 647540), (158, 323770), (316, 161885), (395, 129508), (790, 64754), (1580, 32377)]