51115540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{1567}}^1$

素因数の和:1816

約数の個数: 48

約数和(自身を含む): 123282432

約数和(自身を除く): 72166892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 233, 466, 932, 1165, 1567, 1631, 2330, 3134, 3262, 4660, 6268, 6524, 7835, 8155, 10969, 15670, 16310, 21938, 31340, 32620, 43876, 54845, 109690, 219380, 365111, 730222, 1460444, 1825555, 2555777, 3651110, 5111554, 7302220, 10223108, 12778885, 25557770, 51115540]

約数ペア:

[(1, 51115540), (2, 25557770), (4, 12778885), (5, 10223108), (7, 7302220), (10, 5111554), (14, 3651110), (20, 2555777), (28, 1825555), (35, 1460444), (70, 730222), (140, 365111), (233, 219380), (466, 109690), (932, 54845), (1165, 43876), (1567, 32620), (1631, 31340), (2330, 21938), (3134, 16310), (3262, 15670), (4660, 10969), (6268, 8155), (6524, 7835)]