79122520

素因数分解:

$2^3\times 5^1\times {\mathrm{1978063}}^1$

素因数の和:1978074

約数の個数: 16

約数和(自身を含む): 178025760

約数和(自身を除く): 98903240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1978063, 3956126, 7912252, 9890315, 15824504, 19780630, 39561260, 79122520]

約数ペア:

[(1, 79122520), (2, 39561260), (4, 19780630), (5, 15824504), (8, 9890315), (10, 7912252), (20, 3956126), (40, 1978063)]