25900810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6427}}^1$

素因数の和:6478

約数の個数: 32

約数和(自身を含む): 51835392

約数和(自身を除く): 25934582

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 6427, 12854, 32135, 64270, 83551, 167102, 199237, 398474, 417755, 835510, 996185, 1992370, 2590081, 5180162, 12950405, 25900810]

約数ペア:

[(1, 25900810), (2, 12950405), (5, 5180162), (10, 2590081), (13, 1992370), (26, 996185), (31, 835510), (62, 417755), (65, 398474), (130, 199237), (155, 167102), (310, 83551), (403, 64270), (806, 32135), (2015, 12854), (4030, 6427)]