2831140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10889}}^1$

素因数の和:10911

約数の個数: 24

約数和(自身を含む): 6403320

約数和(自身を除く): 3572180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 10889, 21778, 43556, 54445, 108890, 141557, 217780, 283114, 566228, 707785, 1415570, 2831140]

約数ペア:

[(1, 2831140), (2, 1415570), (4, 707785), (5, 566228), (10, 283114), (13, 217780), (20, 141557), (26, 108890), (52, 54445), (65, 43556), (130, 21778), (260, 10889)]