39977660

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{68927}}^1$

素因数の和:68965

約数の個数: 24

約数和(自身を含む): 86849280

約数和(自身を除く): 46871620

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 68927, 137854, 275708, 344635, 689270, 1378540, 1998883, 3997766, 7995532, 9994415, 19988830, 39977660]

約数ペア:

[(1, 39977660), (2, 19988830), (4, 9994415), (5, 7995532), (10, 3997766), (20, 1998883), (29, 1378540), (58, 689270), (116, 344635), (145, 275708), (290, 137854), (580, 68927)]