8164400

素因数分解:

$2^4\times 5^2\times {\mathrm{20411}}^1$

素因数の和:20429

約数の個数: 30

約数和(自身を含む): 19615932

約数和(自身を除く): 11451532

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 20411, 40822, 81644, 102055, 163288, 204110, 326576, 408220, 510275, 816440, 1020550, 1632880, 2041100, 4082200, 8164400]

約数ペア:

[(1, 8164400), (2, 4082200), (4, 2041100), (5, 1632880), (8, 1020550), (10, 816440), (16, 510275), (20, 408220), (25, 326576), (40, 204110), (50, 163288), (80, 102055), (100, 81644), (200, 40822), (400, 20411)]