87381860

素因数分解:

$2^2\times 5^1\times {\mathrm{1579}}^1\times {\mathrm{2767}}^1$

素因数の和:4355

約数の個数: 24

約数和(自身を含む): 183684480

約数和(自身を除く): 96302620

約数列:

[1, 2, 4, 5, 10, 20, 1579, 2767, 3158, 5534, 6316, 7895, 11068, 13835, 15790, 27670, 31580, 55340, 4369093, 8738186, 17476372, 21845465, 43690930, 87381860]

約数ペア:

[(1, 87381860), (2, 43690930), (4, 21845465), (5, 17476372), (10, 8738186), (20, 4369093), (1579, 55340), (2767, 31580), (3158, 27670), (5534, 15790), (6316, 13835), (7895, 11068)]