108807980

素因数分解:

$2^2\times 5^1\times {\mathrm{5440399}}^1$

素因数の和:5440408

約数の個数: 12

約数和(自身を含む): 228496800

約数和(自身を除く): 119688820

約数列:

[1, 2, 4, 5, 10, 20, 5440399, 10880798, 21761596, 27201995, 54403990, 108807980]

約数ペア:

[(1, 108807980), (2, 54403990), (4, 27201995), (5, 21761596), (10, 10880798), (20, 5440399)]