220160440

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{53437}}^1$

素因数の和:53551

約数の個数: 32

約数和(自身を含む): 500179680

約数和(自身を除く): 280019240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 53437, 106874, 213748, 267185, 427496, 534370, 1068740, 2137480, 5504011, 11008022, 22016044, 27520055, 44032088, 55040110, 110080220, 220160440]

約数ペア:

[(1, 220160440), (2, 110080220), (4, 55040110), (5, 44032088), (8, 27520055), (10, 22016044), (20, 11008022), (40, 5504011), (103, 2137480), (206, 1068740), (412, 534370), (515, 427496), (824, 267185), (1030, 213748), (2060, 106874), (4120, 53437)]