16500080

素因数分解:

$2^4\times 5^1\times {\mathrm{206251}}^1$

素因数の和:206264

約数の個数: 20

約数和(自身を含む): 38362872

約数和(自身を除く): 21862792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 206251, 412502, 825004, 1031255, 1650008, 2062510, 3300016, 4125020, 8250040, 16500080]

約数ペア:

[(1, 16500080), (2, 8250040), (4, 4125020), (5, 3300016), (8, 2062510), (10, 1650008), (16, 1031255), (20, 825004), (40, 412502), (80, 206251)]