220200040

素因数分解:

$2^3\times 5^1\times {\mathrm{5505001}}^1$

素因数の和:5505012

約数の個数: 16

約数和(自身を含む): 495450180

約数和(自身を除く): 275250140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5505001, 11010002, 22020004, 27525005, 44040008, 55050010, 110100020, 220200040]

約数ペア:

[(1, 220200040), (2, 110100020), (4, 55050010), (5, 44040008), (8, 27525005), (10, 22020004), (20, 11010002), (40, 5505001)]