13291640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{17489}}^1$

素因数の和:17519

約数の個数: 32

約数和(自身を含む): 31482000

約数和(自身を除く): 18190360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 17489, 34978, 69956, 87445, 139912, 174890, 332291, 349780, 664582, 699560, 1329164, 1661455, 2658328, 3322910, 6645820, 13291640]

約数ペア:

[(1, 13291640), (2, 6645820), (4, 3322910), (5, 2658328), (8, 1661455), (10, 1329164), (19, 699560), (20, 664582), (38, 349780), (40, 332291), (76, 174890), (95, 139912), (152, 87445), (190, 69956), (380, 34978), (760, 17489)]