77488640

素因数分解:

$2^9\times 5^1\times {\mathrm{30269}}^1$

素因数の和:30292

約数の個数: 40

約数和(自身を含む): 185797260

約数和(自身を除く): 108308620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 30269, 60538, 121076, 151345, 242152, 302690, 484304, 605380, 968608, 1210760, 1937216, 2421520, 3874432, 4843040, 7748864, 9686080, 15497728, 19372160, 38744320, 77488640]

約数ペア:

[(1, 77488640), (2, 38744320), (4, 19372160), (5, 15497728), (8, 9686080), (10, 7748864), (16, 4843040), (20, 3874432), (32, 2421520), (40, 1937216), (64, 1210760), (80, 968608), (128, 605380), (160, 484304), (256, 302690), (320, 242152), (512, 151345), (640, 121076), (1280, 60538), (2560, 30269)]