40681780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{70141}}^1$

素因数の和:70179

約数の個数: 24

約数和(自身を含む): 88378920

約数和(自身を除く): 47697140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 70141, 140282, 280564, 350705, 701410, 1402820, 2034089, 4068178, 8136356, 10170445, 20340890, 40681780]

約数ペア:

[(1, 40681780), (2, 20340890), (4, 10170445), (5, 8136356), (10, 4068178), (20, 2034089), (29, 1402820), (58, 701410), (116, 350705), (145, 280564), (290, 140282), (580, 70141)]