64504240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{42437}}^1$

素因数の和:42469

約数の個数: 40

約数和(自身を含む): 157869360

約数和(自身を除く): 93365120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 42437, 84874, 169748, 212185, 339496, 424370, 678992, 806303, 848740, 1612606, 1697480, 3225212, 3394960, 4031515, 6450424, 8063030, 12900848, 16126060, 32252120, 64504240]

約数ペア:

[(1, 64504240), (2, 32252120), (4, 16126060), (5, 12900848), (8, 8063030), (10, 6450424), (16, 4031515), (19, 3394960), (20, 3225212), (38, 1697480), (40, 1612606), (76, 848740), (80, 806303), (95, 678992), (152, 424370), (190, 339496), (304, 212185), (380, 169748), (760, 84874), (1520, 42437)]