82500400

素因数分解:

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

素因数の和:206269

約数の個数: 30

約数和(自身を含む): 198208172

約数和(自身を除く): 115707772

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 206251, 412502, 825004, 1031255, 1650008, 2062510, 3300016, 4125020, 5156275, 8250040, 10312550, 16500080, 20625100, 41250200, 82500400]

約数ペア:

[(1, 82500400), (2, 41250200), (4, 20625100), (5, 16500080), (8, 10312550), (10, 8250040), (16, 5156275), (20, 4125020), (25, 3300016), (40, 2062510), (50, 1650008), (80, 1031255), (100, 825004), (200, 412502), (400, 206251)]