13129810

素因数分解:

$2^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{5231}}^1$

素因数の和:5489

約数の個数: 16

約数和(自身を含む): 23732352

約数和(自身を除く): 10602542

約数列:

[1, 2, 5, 10, 251, 502, 1255, 2510, 5231, 10462, 26155, 52310, 1312981, 2625962, 6564905, 13129810]

約数ペア:

[(1, 13129810), (2, 6564905), (5, 2625962), (10, 1312981), (251, 52310), (502, 26155), (1255, 10462), (2510, 5231)]