79528840

素因数分解:

$2^3\times 5^1\times {\mathrm{1988221}}^1$

素因数の和:1988232

約数の個数: 16

約数和(自身を含む): 178939980

約数和(自身を除く): 99411140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1988221, 3976442, 7952884, 9941105, 15905768, 19882210, 39764420, 79528840]

約数ペア:

[(1, 79528840), (2, 39764420), (4, 19882210), (5, 15905768), (8, 9941105), (10, 7952884), (20, 3976442), (40, 1988221)]