161592040

素因数分解:

$2^3\times 5^1\times {\mathrm{4039801}}^1$

素因数の和:4039812

約数の個数: 16

約数和(自身を含む): 363582180

約数和(自身を除く): 201990140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4039801, 8079602, 16159204, 20199005, 32318408, 40398010, 80796020, 161592040]

約数ペア:

[(1, 161592040), (2, 80796020), (4, 40398010), (5, 32318408), (8, 20199005), (10, 16159204), (20, 8079602), (40, 4039801)]