640377072832

素因数分解:

$2^6\times 7^1\times {\mathrm{71}}^1\times {\mathrm{20132579}}^1$

素因数の和:20132669

約数の個数: 56

約数和(自身を含む): 1472738492160

約数和(自身を除く): 832361419328

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 71, 112, 142, 224, 284, 448, 497, 568, 994, 1136, 1988, 2272, 3976, 4544, 7952, 15904, 31808, 20132579, 40265158, 80530316, 140928053, 161060632, 281856106, 322121264, 563712212, 644242528, 1127424424, 1288485056, 1429413109, 2254848848, 2858826218, 4509697696, 5717652436, 9019395392, 10005891763, 11435304872, 20011783526, 22870609744, 40023567052, 45741219488, 80047134104, 91482438976, 160094268208, 320188536416, 640377072832]

約数ペア:

[(1, 640377072832), (2, 320188536416), (4, 160094268208), (7, 91482438976), (8, 80047134104), (14, 45741219488), (16, 40023567052), (28, 22870609744), (32, 20011783526), (56, 11435304872), (64, 10005891763), (71, 9019395392), (112, 5717652436), (142, 4509697696), (224, 2858826218), (284, 2254848848), (448, 1429413109), (497, 1288485056), (568, 1127424424), (994, 644242528), (1136, 563712212), (1988, 322121264), (2272, 281856106), (3976, 161060632), (4544, 140928053), (7952, 80530316), (15904, 40265158), (31808, 20132579)]