11987240

素因数分解:

$2^3\times 5^1\times {\mathrm{299681}}^1$

素因数の和:299692

約数の個数: 16

約数和(自身を含む): 26971380

約数和(自身を除く): 14984140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 299681, 599362, 1198724, 1498405, 2397448, 2996810, 5993620, 11987240]

約数ペア:

[(1, 11987240), (2, 5993620), (4, 2996810), (5, 2397448), (8, 1498405), (10, 1198724), (20, 599362), (40, 299681)]