7888946540

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1117}}^1\times {\mathrm{1951}}^1$

素因数の和:3258

約数の個数: 48

約数和(自身を含む): 16681776384

約数和(自身を除く): 8792829844

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1117, 1810, 1951, 2234, 3620, 3902, 4468, 5585, 7804, 9755, 11170, 19510, 22340, 39020, 202177, 353131, 404354, 706262, 808708, 1010885, 1412524, 1765655, 2021770, 2179267, 3531310, 4043540, 4358534, 7062620, 8717068, 10896335, 21792670, 43585340, 394447327, 788894654, 1577789308, 1972236635, 3944473270, 7888946540]

約数ペア:

[(1, 7888946540), (2, 3944473270), (4, 1972236635), (5, 1577789308), (10, 788894654), (20, 394447327), (181, 43585340), (362, 21792670), (724, 10896335), (905, 8717068), (1117, 7062620), (1810, 4358534), (1951, 4043540), (2234, 3531310), (3620, 2179267), (3902, 2021770), (4468, 1765655), (5585, 1412524), (7804, 1010885), (9755, 808708), (11170, 706262), (19510, 404354), (22340, 353131), (39020, 202177)]