55239940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{394571}}^1$

素因数の和:394587

約数の個数: 24

約数和(自身を含む): 132576192

約数和(自身を除く): 77336252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 394571, 789142, 1578284, 1972855, 2761997, 3945710, 5523994, 7891420, 11047988, 13809985, 27619970, 55239940]

約数ペア:

[(1, 55239940), (2, 27619970), (4, 13809985), (5, 11047988), (7, 7891420), (10, 5523994), (14, 3945710), (20, 2761997), (28, 1972855), (35, 1578284), (70, 789142), (140, 394571)]