55207960

素因数分解:

$2^3\times 5^1\times {\mathrm{1380199}}^1$

素因数の和:1380210

約数の個数: 16

約数和(自身を含む): 124218000

約数和(自身を除く): 69010040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1380199, 2760398, 5520796, 6900995, 11041592, 13801990, 27603980, 55207960]

約数ペア:

[(1, 55207960), (2, 27603980), (4, 13801990), (5, 11041592), (8, 6900995), (10, 5520796), (20, 2760398), (40, 1380199)]