79214440

素因数分解:

$2^3\times 5^1\times {\mathrm{1980361}}^1$

素因数の和:1980372

約数の個数: 16

約数和(自身を含む): 178232580

約数和(自身を除く): 99018140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1980361, 3960722, 7921444, 9901805, 15842888, 19803610, 39607220, 79214440]

約数ペア:

[(1, 79214440), (2, 39607220), (4, 19803610), (5, 15842888), (8, 9901805), (10, 7921444), (20, 3960722), (40, 1980361)]