65295440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{16657}}^1$

素因数の和:16684

約数の個数: 60

約数和(自身を含む): 176608116

約数和(自身を除く): 111312676

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 16657, 33314, 66628, 83285, 116599, 133256, 166570, 233198, 266512, 333140, 466396, 582995, 666280, 816193, 932792, 1165990, 1332560, 1632386, 1865584, 2331980, 3264772, 4080965, 4663960, 6529544, 8161930, 9327920, 13059088, 16323860, 32647720, 65295440]

約数ペア:

[(1, 65295440), (2, 32647720), (4, 16323860), (5, 13059088), (7, 9327920), (8, 8161930), (10, 6529544), (14, 4663960), (16, 4080965), (20, 3264772), (28, 2331980), (35, 1865584), (40, 1632386), (49, 1332560), (56, 1165990), (70, 932792), (80, 816193), (98, 666280), (112, 582995), (140, 466396), (196, 333140), (245, 266512), (280, 233198), (392, 166570), (490, 133256), (560, 116599), (784, 83285), (980, 66628), (1960, 33314), (3920, 16657)]