172856360

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{40387}}^1$

素因数の和:40505

約数の個数: 32

約数和(自身を含む): 392571360

約数和(自身を除く): 219715000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 40387, 80774, 161548, 201935, 323096, 403870, 807740, 1615480, 4321409, 8642818, 17285636, 21607045, 34571272, 43214090, 86428180, 172856360]

約数ペア:

[(1, 172856360), (2, 86428180), (4, 43214090), (5, 34571272), (8, 21607045), (10, 17285636), (20, 8642818), (40, 4321409), (107, 1615480), (214, 807740), (428, 403870), (535, 323096), (856, 201935), (1070, 161548), (2140, 80774), (4280, 40387)]