8042800

素因数分解:

$2^4\times 5^2\times {\mathrm{20107}}^1$

素因数の和:20125

約数の個数: 30

約数和(自身を含む): 19323788

約数和(自身を除く): 11280988

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 20107, 40214, 80428, 100535, 160856, 201070, 321712, 402140, 502675, 804280, 1005350, 1608560, 2010700, 4021400, 8042800]

約数ペア:

[(1, 8042800), (2, 4021400), (4, 2010700), (5, 1608560), (8, 1005350), (10, 804280), (16, 502675), (20, 402140), (25, 321712), (40, 201070), (50, 160856), (80, 100535), (100, 80428), (200, 40214), (400, 20107)]