20164400

素因数分解:

$2^4\times 5^2\times {\mathrm{50411}}^1$

素因数の和:50429

約数の個数: 30

約数和(自身を含む): 48445932

約数和(自身を除く): 28281532

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 50411, 100822, 201644, 252055, 403288, 504110, 806576, 1008220, 1260275, 2016440, 2520550, 4032880, 5041100, 10082200, 20164400]

約数ペア:

[(1, 20164400), (2, 10082200), (4, 5041100), (5, 4032880), (8, 2520550), (10, 2016440), (16, 1260275), (20, 1008220), (25, 806576), (40, 504110), (50, 403288), (80, 252055), (100, 201644), (200, 100822), (400, 50411)]