216442960

素因数分解:

$2^4\times 5^1\times {\mathrm{2705537}}^1$

素因数の和:2705550

約数の個数: 20

約数和(自身を含む): 503230068

約数和(自身を除く): 286787108

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2705537, 5411074, 10822148, 13527685, 21644296, 27055370, 43288592, 54110740, 108221480, 216442960]

約数ペア:

[(1, 216442960), (2, 108221480), (4, 54110740), (5, 43288592), (8, 27055370), (10, 21644296), (16, 13527685), (20, 10822148), (40, 5411074), (80, 2705537)]