16168720

素因数分解:

$2^4\times 5^1\times {\mathrm{202109}}^1$

素因数の和:202122

約数の個数: 20

約数和(自身を含む): 37592460

約数和(自身を除く): 21423740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 202109, 404218, 808436, 1010545, 1616872, 2021090, 3233744, 4042180, 8084360, 16168720]

約数ペア:

[(1, 16168720), (2, 8084360), (4, 4042180), (5, 3233744), (8, 2021090), (10, 1616872), (16, 1010545), (20, 808436), (40, 404218), (80, 202109)]