142311920

素因数分解:

$2^4\times 5^1\times {\mathrm{1778899}}^1$

素因数の和:1778912

約数の個数: 20

約数和(自身を含む): 330875400

約数和(自身を除く): 188563480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1778899, 3557798, 7115596, 8894495, 14231192, 17788990, 28462384, 35577980, 71155960, 142311920]

約数ペア:

[(1, 142311920), (2, 71155960), (4, 35577980), (5, 28462384), (8, 17788990), (10, 14231192), (16, 8894495), (20, 7115596), (40, 3557798), (80, 1778899)]