80797240

素因数分解:

$2^3\times 5^1\times {\mathrm{2019931}}^1$

素因数の和:2019942

約数の個数: 16

約数和(自身を含む): 181793880

約数和(自身を除く): 100996640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2019931, 4039862, 8079724, 10099655, 16159448, 20199310, 40398620, 80797240]

約数ペア:

[(1, 80797240), (2, 40398620), (4, 20199310), (5, 16159448), (8, 10099655), (10, 8079724), (20, 4039862), (40, 2019931)]