79028080

素因数分解:

$2^4\times 5^1\times {\mathrm{987851}}^1$

素因数の和:987864

約数の個数: 20

約数和(自身を含む): 183740472

約数和(自身を除く): 104712392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 987851, 1975702, 3951404, 4939255, 7902808, 9878510, 15805616, 19757020, 39514040, 79028080]

約数ペア:

[(1, 79028080), (2, 39514040), (4, 19757020), (5, 15805616), (8, 9878510), (10, 7902808), (16, 4939255), (20, 3951404), (40, 1975702), (80, 987851)]