219654301960

素因数分解:

$2^3\times 5^1\times {\mathrm{5491357549}}^1$

素因数の和:5491357560

約数の個数: 16

約数和(自身を含む): 494222179500

約数和(自身を除く): 274567877540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5491357549, 10982715098, 21965430196, 27456787745, 43930860392, 54913575490, 109827150980, 219654301960]

約数ペア:

[(1, 219654301960), (2, 109827150980), (4, 54913575490), (5, 43930860392), (8, 27456787745), (10, 21965430196), (20, 10982715098), (40, 5491357549)]