19596400

素因数分解:

$2^4\times 5^2\times {\mathrm{48991}}^1$

素因数の和:49009

約数の個数: 30

約数和(自身を含む): 47081312

約数和(自身を除く): 27484912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 48991, 97982, 195964, 244955, 391928, 489910, 783856, 979820, 1224775, 1959640, 2449550, 3919280, 4899100, 9798200, 19596400]

約数ペア:

[(1, 19596400), (2, 9798200), (4, 4899100), (5, 3919280), (8, 2449550), (10, 1959640), (16, 1224775), (20, 979820), (25, 783856), (40, 489910), (50, 391928), (80, 244955), (100, 195964), (200, 97982), (400, 48991)]