13115240

素因数分解:

$2^3\times 5^1\times {\mathrm{327881}}^1$

素因数の和:327892

約数の個数: 16

約数和(自身を含む): 29509380

約数和(自身を除く): 16394140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 327881, 655762, 1311524, 1639405, 2623048, 3278810, 6557620, 13115240]

約数ペア:

[(1, 13115240), (2, 6557620), (4, 3278810), (5, 2623048), (8, 1639405), (10, 1311524), (20, 655762), (40, 327881)]