65218540

素因数分解:

$2^2\times 5^1\times {\mathrm{1567}}^1\times {\mathrm{2081}}^1$

素因数の和:3657

約数の個数: 24

約数和(自身を含む): 137112192

約数和(自身を除く): 71893652

約数列:

[1, 2, 4, 5, 10, 20, 1567, 2081, 3134, 4162, 6268, 7835, 8324, 10405, 15670, 20810, 31340, 41620, 3260927, 6521854, 13043708, 16304635, 32609270, 65218540]

約数ペア:

[(1, 65218540), (2, 32609270), (4, 16304635), (5, 13043708), (10, 6521854), (20, 3260927), (1567, 41620), (2081, 31340), (3134, 20810), (4162, 15670), (6268, 10405), (7835, 8324)]