3878800

素因数分解:

$2^4\times 5^2\times {\mathrm{9697}}^1$

素因数の和:9715

約数の個数: 30

約数和(自身を含む): 9319778

約数和(自身を除く): 5440978

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 9697, 19394, 38788, 48485, 77576, 96970, 155152, 193940, 242425, 387880, 484850, 775760, 969700, 1939400, 3878800]

約数ペア:

[(1, 3878800), (2, 1939400), (4, 969700), (5, 775760), (8, 484850), (10, 387880), (16, 242425), (20, 193940), (25, 155152), (40, 96970), (50, 77576), (80, 48485), (100, 38788), (200, 19394), (400, 9697)]