25013272

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{43}}^2\times {\mathrm{89}}^1$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 51111000

約数和(自身を除く): 26097728

約数列:

[1, 2, 4, 8, 19, 38, 43, 76, 86, 89, 152, 172, 178, 344, 356, 712, 817, 1634, 1691, 1849, 3268, 3382, 3698, 3827, 6536, 6764, 7396, 7654, 13528, 14792, 15308, 30616, 35131, 70262, 72713, 140524, 145426, 164561, 281048, 290852, 329122, 581704, 658244, 1316488, 3126659, 6253318, 12506636, 25013272]

約数ペア:

[(1, 25013272), (2, 12506636), (4, 6253318), (8, 3126659), (19, 1316488), (38, 658244), (43, 581704), (76, 329122), (86, 290852), (89, 281048), (152, 164561), (172, 145426), (178, 140524), (344, 72713), (356, 70262), (712, 35131), (817, 30616), (1634, 15308), (1691, 14792), (1849, 13528), (3268, 7654), (3382, 7396), (3698, 6764), (3827, 6536)]