8883640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11689}}^1$

素因数の和:11719

約数の個数: 32

約数和(自身を含む): 21042000

約数和(自身を除く): 12158360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 11689, 23378, 46756, 58445, 93512, 116890, 222091, 233780, 444182, 467560, 888364, 1110455, 1776728, 2220910, 4441820, 8883640]

約数ペア:

[(1, 8883640), (2, 4441820), (4, 2220910), (5, 1776728), (8, 1110455), (10, 888364), (19, 467560), (20, 444182), (38, 233780), (40, 222091), (76, 116890), (95, 93512), (152, 58445), (190, 46756), (380, 23378), (760, 11689)]