202311920

素因数分解:

$2^4\times 5^1\times {\mathrm{2528899}}^1$

素因数の和:2528912

約数の個数: 20

約数和(自身を含む): 470375400

約数和(自身を除く): 268063480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2528899, 5057798, 10115596, 12644495, 20231192, 25288990, 40462384, 50577980, 101155960, 202311920]

約数ペア:

[(1, 202311920), (2, 101155960), (4, 50577980), (5, 40462384), (8, 25288990), (10, 20231192), (16, 12644495), (20, 10115596), (40, 5057798), (80, 2528899)]