71240360

素因数分解:

$2^3\times 5^1\times {\mathrm{1781009}}^1$

素因数の和:1781020

約数の個数: 16

約数和(自身を含む): 160290900

約数和(自身を除く): 89050540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1781009, 3562018, 7124036, 8905045, 14248072, 17810090, 35620180, 71240360]

約数ペア:

[(1, 71240360), (2, 35620180), (4, 17810090), (5, 14248072), (8, 8905045), (10, 7124036), (20, 3562018), (40, 1781009)]