201630980

素因数分解:

$2^2\times 5^1\times {\mathrm{10081549}}^1$

素因数の和:10081558

約数の個数: 12

約数和(自身を含む): 423425100

約数和(自身を除く): 221794120

約数列:

[1, 2, 4, 5, 10, 20, 10081549, 20163098, 40326196, 50407745, 100815490, 201630980]

約数ペア:

[(1, 201630980), (2, 100815490), (4, 50407745), (5, 40326196), (10, 20163098), (20, 10081549)]