822490180

素因数分解:

$2^2\times 5^1\times {\mathrm{41124509}}^1$

素因数の和:41124518

約数の個数: 12

約数和(自身を含む): 1727229420

約数和(自身を除く): 904739240

約数列:

[1, 2, 4, 5, 10, 20, 41124509, 82249018, 164498036, 205622545, 411245090, 822490180]

約数ペア:

[(1, 822490180), (2, 411245090), (4, 205622545), (5, 164498036), (10, 82249018), (20, 41124509)]