254456080

素因数分解:

$2^4\times 5^1\times {\mathrm{3180701}}^1$

素因数の和:3180714

約数の個数: 20

約数和(自身を含む): 591610572

約数和(自身を除く): 337154492

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3180701, 6361402, 12722804, 15903505, 25445608, 31807010, 50891216, 63614020, 127228040, 254456080]

約数ペア:

[(1, 254456080), (2, 127228040), (4, 63614020), (5, 50891216), (8, 31807010), (10, 25445608), (16, 15903505), (20, 12722804), (40, 6361402), (80, 3180701)]