71282140

素因数分解:

$2^2\times 5^1\times {\mathrm{1277}}^1\times {\mathrm{2791}}^1$

素因数の和:4077

約数の個数: 24

約数和(自身を含む): 149863392

約数和(自身を除く): 78581252

約数列:

[1, 2, 4, 5, 10, 20, 1277, 2554, 2791, 5108, 5582, 6385, 11164, 12770, 13955, 25540, 27910, 55820, 3564107, 7128214, 14256428, 17820535, 35641070, 71282140]

約数ペア:

[(1, 71282140), (2, 35641070), (4, 17820535), (5, 14256428), (10, 7128214), (20, 3564107), (1277, 55820), (2554, 27910), (2791, 25540), (5108, 13955), (5582, 12770), (6385, 11164)]