13648640

素因数分解:

$2^8\times 5^1\times {\mathrm{10663}}^1$

素因数の和:10684

約数の個数: 36

約数和(自身を含む): 32695824

約数和(自身を除く): 19047184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 10663, 21326, 42652, 53315, 85304, 106630, 170608, 213260, 341216, 426520, 682432, 853040, 1364864, 1706080, 2729728, 3412160, 6824320, 13648640]

約数ペア:

[(1, 13648640), (2, 6824320), (4, 3412160), (5, 2729728), (8, 1706080), (10, 1364864), (16, 853040), (20, 682432), (32, 426520), (40, 341216), (64, 213260), (80, 170608), (128, 106630), (160, 85304), (256, 53315), (320, 42652), (640, 21326), (1280, 10663)]