6240400

素因数分解:

$2^4\times 5^2\times {\mathrm{15601}}^1$

素因数の和:15619

約数の個数: 30

約数和(自身を含む): 14993522

約数和(自身を除く): 8753122

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 15601, 31202, 62404, 78005, 124808, 156010, 249616, 312020, 390025, 624040, 780050, 1248080, 1560100, 3120200, 6240400]

約数ペア:

[(1, 6240400), (2, 3120200), (4, 1560100), (5, 1248080), (8, 780050), (10, 624040), (16, 390025), (20, 312020), (25, 249616), (40, 156010), (50, 124808), (80, 78005), (100, 62404), (200, 31202), (400, 15601)]