20008416100

素因数分解:

$2^2\times 5^2\times {\mathrm{200084161}}^1$

素因数の和:200084175

約数の個数: 18

約数和(自身を含む): 43418263154

約数和(自身を除く): 23409847054

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 200084161, 400168322, 800336644, 1000420805, 2000841610, 4001683220, 5002104025, 10004208050, 20008416100]

約数ペア:

[(1, 20008416100), (2, 10004208050), (4, 5002104025), (5, 4001683220), (10, 2000841610), (20, 1000420805), (25, 800336644), (50, 400168322), (100, 200084161)]