123660080

素因数分解:

$2^4\times 5^1\times {\mathrm{1545751}}^1$

素因数の和:1545764

約数の個数: 20

約数和(自身を含む): 287509872

約数和(自身を除く): 163849792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1545751, 3091502, 6183004, 7728755, 12366008, 15457510, 24732016, 30915020, 61830040, 123660080]

約数ペア:

[(1, 123660080), (2, 61830040), (4, 30915020), (5, 24732016), (8, 15457510), (10, 12366008), (16, 7728755), (20, 6183004), (40, 3091502), (80, 1545751)]