713661680

素因数分解:

$2^4\times 5^1\times {\mathrm{8920771}}^1$

素因数の和:8920784

約数の個数: 20

約数和(自身を含む): 1659263592

約数和(自身を除く): 945601912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 8920771, 17841542, 35683084, 44603855, 71366168, 89207710, 142732336, 178415420, 356830840, 713661680]

約数ペア:

[(1, 713661680), (2, 356830840), (4, 178415420), (5, 142732336), (8, 89207710), (10, 71366168), (16, 44603855), (20, 35683084), (40, 17841542), (80, 8920771)]