79153520

素因数分解:

$2^4\times 5^1\times {\mathrm{989419}}^1$

素因数の和:989432

約数の個数: 20

約数和(自身を含む): 184032120

約数和(自身を除く): 104878600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 989419, 1978838, 3957676, 4947095, 7915352, 9894190, 15830704, 19788380, 39576760, 79153520]

約数ペア:

[(1, 79153520), (2, 39576760), (4, 19788380), (5, 15830704), (8, 9894190), (10, 7915352), (16, 4947095), (20, 3957676), (40, 1978838), (80, 989419)]