81110510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{2957}}^1$

素因数の和:3188

約数の個数: 32

約数和(自身を含む): 158028192

約数和(自身を除く): 76917682

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 211, 422, 1055, 2110, 2743, 2957, 5486, 5914, 13715, 14785, 27430, 29570, 38441, 76882, 192205, 384410, 623927, 1247854, 3119635, 6239270, 8111051, 16222102, 40555255, 81110510]

約数ペア:

[(1, 81110510), (2, 40555255), (5, 16222102), (10, 8111051), (13, 6239270), (26, 3119635), (65, 1247854), (130, 623927), (211, 384410), (422, 192205), (1055, 76882), (2110, 38441), (2743, 29570), (2957, 27430), (5486, 14785), (5914, 13715)]