40651660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{290369}}^1$

素因数の和:290385

約数の個数: 24

約数和(自身を含む): 97564320

約数和(自身を除く): 56912660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 290369, 580738, 1161476, 1451845, 2032583, 2903690, 4065166, 5807380, 8130332, 10162915, 20325830, 40651660]

約数ペア:

[(1, 40651660), (2, 20325830), (4, 10162915), (5, 8130332), (7, 5807380), (10, 4065166), (14, 2903690), (20, 2032583), (28, 1451845), (35, 1161476), (70, 580738), (140, 290369)]