65288140

素因数分解:

$2^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{5717}}^1$

素因数の和:6297

約数の個数: 24

約数和(自身を含む): 137369232

約数和(自身を除く): 72081092

約数列:

[1, 2, 4, 5, 10, 20, 571, 1142, 2284, 2855, 5710, 5717, 11420, 11434, 22868, 28585, 57170, 114340, 3264407, 6528814, 13057628, 16322035, 32644070, 65288140]

約数ペア:

[(1, 65288140), (2, 32644070), (4, 16322035), (5, 13057628), (10, 6528814), (20, 3264407), (571, 114340), (1142, 57170), (2284, 28585), (2855, 22868), (5710, 11434), (5717, 11420)]