53442820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{140639}}^1$

素因数の和:140667

約数の個数: 24

約数和(自身を含む): 118137600

約数和(自身を除く): 64694780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 140639, 281278, 562556, 703195, 1406390, 2672141, 2812780, 5344282, 10688564, 13360705, 26721410, 53442820]

約数ペア:

[(1, 53442820), (2, 26721410), (4, 13360705), (5, 10688564), (10, 5344282), (19, 2812780), (20, 2672141), (38, 1406390), (76, 703195), (95, 562556), (190, 281278), (380, 140639)]