2042800

素因数分解:

$2^4\times 5^2\times {\mathrm{5107}}^1$

素因数の和:5125

約数の個数: 30

約数和(自身を含む): 4908788

約数和(自身を除く): 2865988

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 5107, 10214, 20428, 25535, 40856, 51070, 81712, 102140, 127675, 204280, 255350, 408560, 510700, 1021400, 2042800]

約数ペア:

[(1, 2042800), (2, 1021400), (4, 510700), (5, 408560), (8, 255350), (10, 204280), (16, 127675), (20, 102140), (25, 81712), (40, 51070), (50, 40856), (80, 25535), (100, 20428), (200, 10214), (400, 5107)]