212900080

素因数分解:

$2^4\times 5^1\times {\mathrm{2661251}}^1$

素因数の和:2661264

約数の個数: 20

約数和(自身を含む): 494992872

約数和(自身を除く): 282092792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2661251, 5322502, 10645004, 13306255, 21290008, 26612510, 42580016, 53225020, 106450040, 212900080]

約数ペア:

[(1, 212900080), (2, 106450040), (4, 53225020), (5, 42580016), (8, 26612510), (10, 21290008), (16, 13306255), (20, 10645004), (40, 5322502), (80, 2661251)]