198492040

素因数分解:

$2^3\times 5^1\times {\mathrm{4962301}}^1$

素因数の和:4962312

約数の個数: 16

約数和(自身を含む): 446607180

約数和(自身を除く): 248115140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4962301, 9924602, 19849204, 24811505, 39698408, 49623010, 99246020, 198492040]

約数ペア:

[(1, 198492040), (2, 99246020), (4, 49623010), (5, 39698408), (8, 24811505), (10, 19849204), (20, 9924602), (40, 4962301)]