25440305

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1$

素因数の和:437

約数の個数: 32

約数和(自身を含む): 35278848

約数和(自身を除く): 9838543

約数列:

[1, 5, 11, 31, 43, 55, 155, 215, 341, 347, 473, 1333, 1705, 1735, 2365, 3817, 6665, 10757, 14663, 14921, 19085, 53785, 73315, 74605, 118327, 164131, 462551, 591635, 820655, 2312755, 5088061, 25440305]

約数ペア:

[(1, 25440305), (5, 5088061), (11, 2312755), (31, 820655), (43, 591635), (55, 462551), (155, 164131), (215, 118327), (341, 74605), (347, 73315), (473, 53785), (1333, 19085), (1705, 14921), (1735, 14663), (2365, 10757), (3817, 6665)]