12758420

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{5023}}^1$

素因数の和:5159

約数の個数: 24

約数和(自身を含む): 27009024

約数和(自身を除く): 14250604

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 5023, 10046, 20092, 25115, 50230, 100460, 637921, 1275842, 2551684, 3189605, 6379210, 12758420]

約数ペア:

[(1, 12758420), (2, 6379210), (4, 3189605), (5, 2551684), (10, 1275842), (20, 637921), (127, 100460), (254, 50230), (508, 25115), (635, 20092), (1270, 10046), (2540, 5023)]