101511920

素因数分解:

$2^4\times 5^1\times {\mathrm{1268899}}^1$

素因数の和:1268912

約数の個数: 20

約数和(自身を含む): 236015400

約数和(自身を除く): 134503480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1268899, 2537798, 5075596, 6344495, 10151192, 12688990, 20302384, 25377980, 50755960, 101511920]

約数ペア:

[(1, 101511920), (2, 50755960), (4, 25377980), (5, 20302384), (8, 12688990), (10, 10151192), (16, 6344495), (20, 5075596), (40, 2537798), (80, 1268899)]