172885640

素因数分解:

$2^3\times 5^1\times {\mathrm{2069}}^1\times {\mathrm{2089}}^1$

素因数の和:4169

約数の個数: 32

約数和(自身を含む): 389367000

約数和(自身を除く): 216481360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2069, 2089, 4138, 4178, 8276, 8356, 10345, 10445, 16552, 16712, 20690, 20890, 41380, 41780, 82760, 83560, 4322141, 8644282, 17288564, 21610705, 34577128, 43221410, 86442820, 172885640]

約数ペア:

[(1, 172885640), (2, 86442820), (4, 43221410), (5, 34577128), (8, 21610705), (10, 17288564), (20, 8644282), (40, 4322141), (2069, 83560), (2089, 82760), (4138, 41780), (4178, 41380), (8276, 20890), (8356, 20690), (10345, 16712), (10445, 16552)]