100409420

素因数分解:

$2^2\times 5^1\times {\mathrm{5020471}}^1$

素因数の和:5020480

約数の個数: 12

約数和(自身を含む): 210859824

約数和(自身を除く): 110450404

約数列:

[1, 2, 4, 5, 10, 20, 5020471, 10040942, 20081884, 25102355, 50204710, 100409420]

約数ペア:

[(1, 100409420), (2, 50204710), (4, 25102355), (5, 20081884), (10, 10040942), (20, 5020471)]