55184560

素因数分解:

$2^4\times 5^1\times {\mathrm{689807}}^1$

素因数の和:689820

約数の個数: 20

約数和(自身を含む): 128304288

約数和(自身を除く): 73119728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 689807, 1379614, 2759228, 3449035, 5518456, 6898070, 11036912, 13796140, 27592280, 55184560]

約数ペア:

[(1, 55184560), (2, 27592280), (4, 13796140), (5, 11036912), (8, 6898070), (10, 5518456), (16, 3449035), (20, 2759228), (40, 1379614), (80, 689807)]