9989810

素因数分解:

$2^1\times 5^1\times {\mathrm{709}}^1\times {\mathrm{1409}}^1$

素因数の和:2125

約数の個数: 16

約数和(自身を含む): 18019800

約数和(自身を除く): 8029990

約数列:

[1, 2, 5, 10, 709, 1409, 1418, 2818, 3545, 7045, 7090, 14090, 998981, 1997962, 4994905, 9989810]

約数ペア:

[(1, 9989810), (2, 4994905), (5, 1997962), (10, 998981), (709, 14090), (1409, 7090), (1418, 7045), (2818, 3545)]