16195280

素因数分解:

$2^4\times 5^1\times {\mathrm{202441}}^1$

素因数の和:202454

約数の個数: 20

約数和(自身を含む): 37654212

約数和(自身を除く): 21458932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 202441, 404882, 809764, 1012205, 1619528, 2024410, 3239056, 4048820, 8097640, 16195280]

約数ペア:

[(1, 16195280), (2, 8097640), (4, 4048820), (5, 3239056), (8, 2024410), (10, 1619528), (16, 1012205), (20, 809764), (40, 404882), (80, 202441)]