51511660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{479}}^1$

素因数の和:790

約数の個数: 48

約数和(自身を含む): 114508800

約数和(自身を除く): 62997140

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 283, 380, 479, 566, 958, 1132, 1415, 1916, 2395, 2830, 4790, 5377, 5660, 9101, 9580, 10754, 18202, 21508, 26885, 36404, 45505, 53770, 91010, 107540, 135557, 182020, 271114, 542228, 677785, 1355570, 2575583, 2711140, 5151166, 10302332, 12877915, 25755830, 51511660]

約数ペア:

[(1, 51511660), (2, 25755830), (4, 12877915), (5, 10302332), (10, 5151166), (19, 2711140), (20, 2575583), (38, 1355570), (76, 677785), (95, 542228), (190, 271114), (283, 182020), (380, 135557), (479, 107540), (566, 91010), (958, 53770), (1132, 45505), (1415, 36404), (1916, 26885), (2395, 21508), (2830, 18202), (4790, 10754), (5377, 9580), (5660, 9101)]