2655458440

素因数分解:

$2^3\times 5^1\times {\mathrm{499}}^1\times {\mathrm{133039}}^1$

素因数の和:133549

約数の個数: 32

約数和(自身を含む): 5986800000

約数和(自身を除く): 3331341560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 499, 998, 1996, 2495, 3992, 4990, 9980, 19960, 133039, 266078, 532156, 665195, 1064312, 1330390, 2660780, 5321560, 66386461, 132772922, 265545844, 331932305, 531091688, 663864610, 1327729220, 2655458440]

約数ペア:

[(1, 2655458440), (2, 1327729220), (4, 663864610), (5, 531091688), (8, 331932305), (10, 265545844), (20, 132772922), (40, 66386461), (499, 5321560), (998, 2660780), (1996, 1330390), (2495, 1064312), (3992, 665195), (4990, 532156), (9980, 266078), (19960, 133039)]