89819480

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{17681}}^1$

素因数の和:17819

約数の個数: 32

約数和(自身を含む): 203696640

約数和(自身を除く): 113877160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 17681, 35362, 70724, 88405, 141448, 176810, 353620, 707240, 2245487, 4490974, 8981948, 11227435, 17963896, 22454870, 44909740, 89819480]

約数ペア:

[(1, 89819480), (2, 44909740), (4, 22454870), (5, 17963896), (8, 11227435), (10, 8981948), (20, 4490974), (40, 2245487), (127, 707240), (254, 353620), (508, 176810), (635, 141448), (1016, 88405), (1270, 70724), (2540, 35362), (5080, 17681)]