55206020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1109}}^1$

素因数の和:1268

約数の個数: 48

約数和(自身を含む): 123076800

約数和(自身を除く): 67870780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 131, 190, 262, 380, 524, 655, 1109, 1310, 2218, 2489, 2620, 4436, 4978, 5545, 9956, 11090, 12445, 21071, 22180, 24890, 42142, 49780, 84284, 105355, 145279, 210710, 290558, 421420, 581116, 726395, 1452790, 2760301, 2905580, 5520602, 11041204, 13801505, 27603010, 55206020]

約数ペア:

[(1, 55206020), (2, 27603010), (4, 13801505), (5, 11041204), (10, 5520602), (19, 2905580), (20, 2760301), (38, 1452790), (76, 726395), (95, 581116), (131, 421420), (190, 290558), (262, 210710), (380, 145279), (524, 105355), (655, 84284), (1109, 49780), (1310, 42142), (2218, 24890), (2489, 22180), (2620, 21071), (4436, 12445), (4978, 11090), (5545, 9956)]