220172740

素因数分解:

$2^2\times 5^1\times {\mathrm{2027}}^1\times {\mathrm{5431}}^1$

素因数の和:7467

約数の個数: 24

約数和(自身を含む): 462676032

約数和(自身を除く): 242503292

約数列:

[1, 2, 4, 5, 10, 20, 2027, 4054, 5431, 8108, 10135, 10862, 20270, 21724, 27155, 40540, 54310, 108620, 11008637, 22017274, 44034548, 55043185, 110086370, 220172740]

約数ペア:

[(1, 220172740), (2, 110086370), (4, 55043185), (5, 44034548), (10, 22017274), (20, 11008637), (2027, 108620), (4054, 54310), (5431, 40540), (8108, 27155), (10135, 21724), (10862, 20270)]