7131663340

素因数分解:

$2^2\times 5^1\times {\mathrm{5431}}^1\times {\mathrm{65657}}^1$

素因数の和:71097

約数の個数: 24

約数和(自身を含む): 14979478752

約数和(自身を除く): 7847815412

約数列:

[1, 2, 4, 5, 10, 20, 5431, 10862, 21724, 27155, 54310, 65657, 108620, 131314, 262628, 328285, 656570, 1313140, 356583167, 713166334, 1426332668, 1782915835, 3565831670, 7131663340]

約数ペア:

[(1, 7131663340), (2, 3565831670), (4, 1782915835), (5, 1426332668), (10, 713166334), (20, 356583167), (5431, 1313140), (10862, 656570), (21724, 328285), (27155, 262628), (54310, 131314), (65657, 108620)]