2078800

素因数分解:

$2^4\times 5^2\times {\mathrm{5197}}^1$

素因数の和:5215

約数の個数: 30

約数和(自身を含む): 4995278

約数和(自身を除く): 2916478

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 5197, 10394, 20788, 25985, 41576, 51970, 83152, 103940, 129925, 207880, 259850, 415760, 519700, 1039400, 2078800]

約数ペア:

[(1, 2078800), (2, 1039400), (4, 519700), (5, 415760), (8, 259850), (10, 207880), (16, 129925), (20, 103940), (25, 83152), (40, 51970), (50, 41576), (80, 25985), (100, 20788), (200, 10394), (400, 5197)]