10805780

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1321}}^1$

素因数の和:1739

約数の個数: 24

約数和(自身を含む): 22764840

約数和(自身を除く): 11959060

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1321, 1636, 2045, 2642, 4090, 5284, 6605, 8180, 13210, 26420, 540289, 1080578, 2161156, 2701445, 5402890, 10805780]

約数ペア:

[(1, 10805780), (2, 5402890), (4, 2701445), (5, 2161156), (10, 1080578), (20, 540289), (409, 26420), (818, 13210), (1321, 8180), (1636, 6605), (2045, 5284), (2642, 4090)]