2240080

素因数分解:

$2^4\times 5^1\times {\mathrm{28001}}^1$

素因数の和:28014

約数の個数: 20

約数和(自身を含む): 5208372

約数和(自身を除く): 2968292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 28001, 56002, 112004, 140005, 224008, 280010, 448016, 560020, 1120040, 2240080]

約数ペア:

[(1, 2240080), (2, 1120040), (4, 560020), (5, 448016), (8, 280010), (10, 224008), (16, 140005), (20, 112004), (40, 56002), (80, 28001)]