13057280

素因数分解:

$2^8\times 5^1\times {\mathrm{101}}^2$

素因数の和:223

約数の個数: 54

約数和(自身を含む): 31588998

約数和(自身を除く): 18531718

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 128, 160, 202, 256, 320, 404, 505, 640, 808, 1010, 1280, 1616, 2020, 3232, 4040, 6464, 8080, 10201, 12928, 16160, 20402, 25856, 32320, 40804, 51005, 64640, 81608, 102010, 129280, 163216, 204020, 326432, 408040, 652864, 816080, 1305728, 1632160, 2611456, 3264320, 6528640, 13057280]

約数ペア:

[(1, 13057280), (2, 6528640), (4, 3264320), (5, 2611456), (8, 1632160), (10, 1305728), (16, 816080), (20, 652864), (32, 408040), (40, 326432), (64, 204020), (80, 163216), (101, 129280), (128, 102010), (160, 81608), (202, 64640), (256, 51005), (320, 40804), (404, 32320), (505, 25856), (640, 20402), (808, 16160), (1010, 12928), (1280, 10201), (1616, 8080), (2020, 6464), (3232, 4040)]