55971920

素因数分解:

$2^4\times 5^1\times {\mathrm{699649}}^1$

素因数の和:699662

約数の個数: 20

約数和(自身を含む): 130134900

約数和(自身を除く): 74162980

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 699649, 1399298, 2798596, 3498245, 5597192, 6996490, 11194384, 13992980, 27985960, 55971920]

約数ペア:

[(1, 55971920), (2, 27985960), (4, 13992980), (5, 11194384), (8, 6996490), (10, 5597192), (16, 3498245), (20, 2798596), (40, 1399298), (80, 699649)]