40121390

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{56509}}^1$

素因数の和:56587

約数の個数: 16

約数和(自身を含む): 73236960

約数和(自身を除く): 33115570

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 56509, 113018, 282545, 565090, 4012139, 8024278, 20060695, 40121390]

約数ペア:

[(1, 40121390), (2, 20060695), (5, 8024278), (10, 4012139), (71, 565090), (142, 282545), (355, 113018), (710, 56509)]