72442820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{190639}}^1$

素因数の和:190667

約数の個数: 24

約数和(自身を含む): 160137600

約数和(自身を除く): 87694780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 190639, 381278, 762556, 953195, 1906390, 3622141, 3812780, 7244282, 14488564, 18110705, 36221410, 72442820]

約数ペア:

[(1, 72442820), (2, 36221410), (4, 18110705), (5, 14488564), (10, 7244282), (19, 3812780), (20, 3622141), (38, 1906390), (76, 953195), (95, 762556), (190, 381278), (380, 190639)]