201804560

素因数分解:

$2^4\times 5^1\times {\mathrm{2522557}}^1$

素因数の和:2522570

約数の個数: 20

約数和(自身を含む): 469195788

約数和(自身を除く): 267391228

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2522557, 5045114, 10090228, 12612785, 20180456, 25225570, 40360912, 50451140, 100902280, 201804560]

約数ペア:

[(1, 201804560), (2, 100902280), (4, 50451140), (5, 40360912), (8, 25225570), (10, 20180456), (16, 12612785), (20, 10090228), (40, 5045114), (80, 2522557)]