53220080

素因数分解:

$2^4\times 5^1\times {\mathrm{665251}}^1$

素因数の和:665264

約数の個数: 20

約数和(自身を含む): 123736872

約数和(自身を除く): 70516792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 665251, 1330502, 2661004, 3326255, 5322008, 6652510, 10644016, 13305020, 26610040, 53220080]

約数ペア:

[(1, 53220080), (2, 26610040), (4, 13305020), (5, 10644016), (8, 6652510), (10, 5322008), (16, 3326255), (20, 2661004), (40, 1330502), (80, 665251)]