53405720

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{4349}}^1$

素因数の和:4667

約数の個数: 32

約数和(自身を含む): 120582000

約数和(自身を除く): 67176280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 2456, 3070, 4349, 6140, 8698, 12280, 17396, 21745, 34792, 43490, 86980, 173960, 1335143, 2670286, 5340572, 6675715, 10681144, 13351430, 26702860, 53405720]

約数ペア:

[(1, 53405720), (2, 26702860), (4, 13351430), (5, 10681144), (8, 6675715), (10, 5340572), (20, 2670286), (40, 1335143), (307, 173960), (614, 86980), (1228, 43490), (1535, 34792), (2456, 21745), (3070, 17396), (4349, 12280), (6140, 8698)]