8777240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11549}}^1$

素因数の和:11579

約数の個数: 32

約数和(自身を含む): 20790000

約数和(自身を除く): 12012760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 11549, 23098, 46196, 57745, 92392, 115490, 219431, 230980, 438862, 461960, 877724, 1097155, 1755448, 2194310, 4388620, 8777240]

約数ペア:

[(1, 8777240), (2, 4388620), (4, 2194310), (5, 1755448), (8, 1097155), (10, 877724), (19, 461960), (20, 438862), (38, 230980), (40, 219431), (76, 115490), (95, 92392), (152, 57745), (190, 46196), (380, 23098), (760, 11549)]