18110720

素因数分解:

$2^8\times 5^1\times {\mathrm{14149}}^1$

素因数の和:14170

約数の個数: 36

約数和(自身を含む): 43383900

約数和(自身を除く): 25273180

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 14149, 28298, 56596, 70745, 113192, 141490, 226384, 282980, 452768, 565960, 905536, 1131920, 1811072, 2263840, 3622144, 4527680, 9055360, 18110720]

約数ペア:

[(1, 18110720), (2, 9055360), (4, 4527680), (5, 3622144), (8, 2263840), (10, 1811072), (16, 1131920), (20, 905536), (32, 565960), (40, 452768), (64, 282980), (80, 226384), (128, 141490), (160, 113192), (256, 70745), (320, 56596), (640, 28298), (1280, 14149)]