80505280

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{13241}}^1$

素因数の和:13277

約数の個数: 56

約数和(自身を含む): 201808080

約数和(自身を除く): 121302800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 6080, 13241, 26482, 52964, 66205, 105928, 132410, 211856, 251579, 264820, 423712, 503158, 529640, 847424, 1006316, 1059280, 1257895, 2012632, 2118560, 2515790, 4025264, 4237120, 5031580, 8050528, 10063160, 16101056, 20126320, 40252640, 80505280]

約数ペア:

[(1, 80505280), (2, 40252640), (4, 20126320), (5, 16101056), (8, 10063160), (10, 8050528), (16, 5031580), (19, 4237120), (20, 4025264), (32, 2515790), (38, 2118560), (40, 2012632), (64, 1257895), (76, 1059280), (80, 1006316), (95, 847424), (152, 529640), (160, 503158), (190, 423712), (304, 264820), (320, 251579), (380, 211856), (608, 132410), (760, 105928), (1216, 66205), (1520, 52964), (3040, 26482), (6080, 13241)]