28821200

素因数分解:

$2^4\times 5^2\times {\mathrm{72053}}^1$

素因数の和:72071

約数の個数: 30

約数和(自身を含む): 69243894

約数和(自身を除く): 40422694

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 72053, 144106, 288212, 360265, 576424, 720530, 1152848, 1441060, 1801325, 2882120, 3602650, 5764240, 7205300, 14410600, 28821200]

約数ペア:

[(1, 28821200), (2, 14410600), (4, 7205300), (5, 5764240), (8, 3602650), (10, 2882120), (16, 1801325), (20, 1441060), (25, 1152848), (40, 720530), (50, 576424), (80, 360265), (100, 288212), (200, 144106), (400, 72053)]