810800

素因数分解:

$2^4\times 5^2\times {\mathrm{2027}}^1$

素因数の和:2045

約数の個数: 30

約数和(自身を含む): 1948908

約数和(自身を除く): 1138108

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 2027, 4054, 8108, 10135, 16216, 20270, 32432, 40540, 50675, 81080, 101350, 162160, 202700, 405400, 810800]

約数ペア:

[(1, 810800), (2, 405400), (4, 202700), (5, 162160), (8, 101350), (10, 81080), (16, 50675), (20, 40540), (25, 32432), (40, 20270), (50, 16216), (80, 10135), (100, 8108), (200, 4054), (400, 2027)]