71271080

素因数分解:

$2^3\times 5^1\times {\mathrm{1781777}}^1$

素因数の和:1781788

約数の個数: 16

約数和(自身を含む): 160360020

約数和(自身を除く): 89088940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1781777, 3563554, 7127108, 8908885, 14254216, 17817770, 35635540, 71271080]

約数ペア:

[(1, 71271080), (2, 35635540), (4, 17817770), (5, 14254216), (8, 8908885), (10, 7127108), (20, 3563554), (40, 1781777)]