22040120

素因数分解:

$2^3\times 5^1\times {\mathrm{551003}}^1$

素因数の和:551014

約数の個数: 16

約数和(自身を含む): 49590360

約数和(自身を除く): 27550240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 551003, 1102006, 2204012, 2755015, 4408024, 5510030, 11020060, 22040120]

約数ペア:

[(1, 22040120), (2, 11020060), (4, 5510030), (5, 4408024), (8, 2755015), (10, 2204012), (20, 1102006), (40, 551003)]