9180880

素因数分解:

$2^4\times 5^1\times {\mathrm{114761}}^1$

素因数の和:114774

約数の個数: 20

約数和(自身を含む): 21345732

約数和(自身を除く): 12164852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 114761, 229522, 459044, 573805, 918088, 1147610, 1836176, 2295220, 4590440, 9180880]

約数ペア:

[(1, 9180880), (2, 4590440), (4, 2295220), (5, 1836176), (8, 1147610), (10, 918088), (16, 573805), (20, 459044), (40, 229522), (80, 114761)]