196851920

素因数分解:

$2^4\times 5^1\times {\mathrm{2460649}}^1$

素因数の和:2460662

約数の個数: 20

約数和(自身を含む): 457680900

約数和(自身を除く): 260828980

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2460649, 4921298, 9842596, 12303245, 19685192, 24606490, 39370384, 49212980, 98425960, 196851920]

約数ペア:

[(1, 196851920), (2, 98425960), (4, 49212980), (5, 39370384), (8, 24606490), (10, 19685192), (16, 12303245), (20, 9842596), (40, 4921298), (80, 2460649)]