2200040

素因数分解:

$2^3\times 5^1\times {\mathrm{55001}}^1$

素因数の和:55012

約数の個数: 16

約数和(自身を含む): 4950180

約数和(自身を除く): 2750140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 55001, 110002, 220004, 275005, 440008, 550010, 1100020, 2200040]

約数ペア:

[(1, 2200040), (2, 1100020), (4, 550010), (5, 440008), (8, 275005), (10, 220004), (20, 110002), (40, 55001)]