9771920

素因数分解:

$2^4\times 5^1\times {\mathrm{122149}}^1$

素因数の和:122162

約数の個数: 20

約数和(自身を含む): 22719900

約数和(自身を除く): 12947980

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 122149, 244298, 488596, 610745, 977192, 1221490, 1954384, 2442980, 4885960, 9771920]

約数ペア:

[(1, 9771920), (2, 4885960), (4, 2442980), (5, 1954384), (8, 1221490), (10, 977192), (16, 610745), (20, 488596), (40, 244298), (80, 122149)]