69771920

素因数分解:

$2^4\times 5^1\times {\mathrm{872149}}^1$

素因数の和:872162

約数の個数: 20

約数和(自身を含む): 162219900

約数和(自身を除く): 92447980

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 872149, 1744298, 3488596, 4360745, 6977192, 8721490, 13954384, 17442980, 34885960, 69771920]

約数ペア:

[(1, 69771920), (2, 34885960), (4, 17442980), (5, 13954384), (8, 8721490), (10, 6977192), (16, 4360745), (20, 3488596), (40, 1744298), (80, 872149)]