28071920

素因数分解:

$2^4\times 5^1\times {\mathrm{350899}}^1$

素因数の和:350912

約数の個数: 20

約数和(自身を含む): 65267400

約数和(自身を除く): 37195480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 350899, 701798, 1403596, 1754495, 2807192, 3508990, 5614384, 7017980, 14035960, 28071920]

約数ペア:

[(1, 28071920), (2, 14035960), (4, 7017980), (5, 5614384), (8, 3508990), (10, 2807192), (16, 1754495), (20, 1403596), (40, 701798), (80, 350899)]