1311756440

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{555829}}^1$

素因数の和:555899

約数の個数: 32

約数和(自身を含む): 3001482000

約数和(自身を除く): 1689725560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 555829, 1111658, 2223316, 2779145, 4446632, 5558290, 11116580, 22233160, 32793911, 65587822, 131175644, 163969555, 262351288, 327939110, 655878220, 1311756440]

約数ペア:

[(1, 1311756440), (2, 655878220), (4, 327939110), (5, 262351288), (8, 163969555), (10, 131175644), (20, 65587822), (40, 32793911), (59, 22233160), (118, 11116580), (236, 5558290), (295, 4446632), (472, 2779145), (590, 2223316), (1180, 1111658), (2360, 555829)]