54278800

素因数分解:

$2^4\times 5^2\times {\mathrm{135697}}^1$

素因数の和:135715

約数の個数: 30

約数和(自身を含む): 130405778

約数和(自身を除く): 76126978

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 135697, 271394, 542788, 678485, 1085576, 1356970, 2171152, 2713940, 3392425, 5427880, 6784850, 10855760, 13569700, 27139400, 54278800]

約数ペア:

[(1, 54278800), (2, 27139400), (4, 13569700), (5, 10855760), (8, 6784850), (10, 5427880), (16, 3392425), (20, 2713940), (25, 2171152), (40, 1356970), (50, 1085576), (80, 678485), (100, 542788), (200, 271394), (400, 135697)]