55217080

素因数分解:

$2^3\times 5^1\times {\mathrm{1380427}}^1$

素因数の和:1380438

約数の個数: 16

約数和(自身を含む): 124238520

約数和(自身を除く): 69021440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1380427, 2760854, 5521708, 6902135, 11043416, 13804270, 27608540, 55217080]

約数ペア:

[(1, 55217080), (2, 27608540), (4, 13804270), (5, 11043416), (8, 6902135), (10, 5521708), (20, 2760854), (40, 1380427)]