40218140

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{20731}}^1$

素因数の和:20837

約数の個数: 24

約数和(自身を含む): 85332912

約数和(自身を除く): 45114772

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 20731, 41462, 82924, 103655, 207310, 414620, 2010907, 4021814, 8043628, 10054535, 20109070, 40218140]

約数ペア:

[(1, 40218140), (2, 20109070), (4, 10054535), (5, 8043628), (10, 4021814), (20, 2010907), (97, 414620), (194, 207310), (388, 103655), (485, 82924), (970, 41462), (1940, 20731)]