55691540

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{6343}}^1$

素因数の和:6791

約数の個数: 24

約数和(自身を含む): 117237120

約数和(自身を除く): 61545580

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1756, 2195, 4390, 6343, 8780, 12686, 25372, 31715, 63430, 126860, 2784577, 5569154, 11138308, 13922885, 27845770, 55691540]

約数ペア:

[(1, 55691540), (2, 27845770), (4, 13922885), (5, 11138308), (10, 5569154), (20, 2784577), (439, 126860), (878, 63430), (1756, 31715), (2195, 25372), (4390, 12686), (6343, 8780)]