12890560

素因数分解:

$2^6\times 5^1\times {\mathrm{40283}}^1$

素因数の和:40300

約数の個数: 28

約数和(自身を含む): 30696408

約数和(自身を除く): 17805848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 40283, 80566, 161132, 201415, 322264, 402830, 644528, 805660, 1289056, 1611320, 2578112, 3222640, 6445280, 12890560]

約数ペア:

[(1, 12890560), (2, 6445280), (4, 3222640), (5, 2578112), (8, 1611320), (10, 1289056), (16, 805660), (20, 644528), (32, 402830), (40, 322264), (64, 201415), (80, 161132), (160, 80566), (320, 40283)]