12457540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{32783}}^1$

素因数の和:32811

約数の個数: 24

約数和(自身を含む): 27538560

約数和(自身を除く): 15081020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 32783, 65566, 131132, 163915, 327830, 622877, 655660, 1245754, 2491508, 3114385, 6228770, 12457540]

約数ペア:

[(1, 12457540), (2, 6228770), (4, 3114385), (5, 2491508), (10, 1245754), (19, 655660), (20, 622877), (38, 327830), (76, 163915), (95, 131132), (190, 65566), (380, 32783)]