17400014780

素因数分解:

$2^2\times 5^1\times {\mathrm{870000739}}^1$

素因数の和:870000748

約数の個数: 12

約数和(自身を含む): 36540031080

約数和(自身を除く): 19140016300

約数列:

[1, 2, 4, 5, 10, 20, 870000739, 1740001478, 3480002956, 4350003695, 8700007390, 17400014780]

約数ペア:

[(1, 17400014780), (2, 8700007390), (4, 4350003695), (5, 3480002956), (10, 1740001478), (20, 870000739)]