2100080

素因数分解:

$2^4\times 5^1\times {\mathrm{26251}}^1$

素因数の和:26264

約数の個数: 20

約数和(自身を含む): 4882872

約数和(自身を除く): 2782792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 26251, 52502, 105004, 131255, 210008, 262510, 420016, 525020, 1050040, 2100080]

約数ペア:

[(1, 2100080), (2, 1050040), (4, 525020), (5, 420016), (8, 262510), (10, 210008), (16, 131255), (20, 105004), (40, 52502), (80, 26251)]