79904440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{25943}}^1$

素因数の和:25972

約数の個数: 64

約数和(自身を含む): 224156160

約数和(自身を除く): 144251720

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 25943, 51886, 103772, 129715, 181601, 207544, 259430, 285373, 363202, 518860, 570746, 726404, 908005, 1037720, 1141492, 1426865, 1452808, 1816010, 1997611, 2282984, 2853730, 3632020, 3995222, 5707460, 7264040, 7990444, 9988055, 11414920, 15980888, 19976110, 39952220, 79904440]

約数ペア:

[(1, 79904440), (2, 39952220), (4, 19976110), (5, 15980888), (7, 11414920), (8, 9988055), (10, 7990444), (11, 7264040), (14, 5707460), (20, 3995222), (22, 3632020), (28, 2853730), (35, 2282984), (40, 1997611), (44, 1816010), (55, 1452808), (56, 1426865), (70, 1141492), (77, 1037720), (88, 908005), (110, 726404), (140, 570746), (154, 518860), (220, 363202), (280, 285373), (308, 259430), (385, 207544), (440, 181601), (616, 129715), (770, 103772), (1540, 51886), (3080, 25943)]