10920080

素因数分解:

$2^4\times 5^1\times {\mathrm{136501}}^1$

素因数の和:136514

約数の個数: 20

約数和(自身を含む): 25389372

約数和(自身を除く): 14469292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 136501, 273002, 546004, 682505, 1092008, 1365010, 2184016, 2730020, 5460040, 10920080]

約数ペア:

[(1, 10920080), (2, 5460040), (4, 2730020), (5, 2184016), (8, 1365010), (10, 1092008), (16, 682505), (20, 546004), (40, 273002), (80, 136501)]