66178520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{4583}}^1$

素因数の和:4632

約数の個数: 48

約数和(自身を含む): 157185360

約数和(自身を除く): 91006840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 722, 760, 1444, 1805, 2888, 3610, 4583, 7220, 9166, 14440, 18332, 22915, 36664, 45830, 87077, 91660, 174154, 183320, 348308, 435385, 696616, 870770, 1654463, 1741540, 3308926, 3483080, 6617852, 8272315, 13235704, 16544630, 33089260, 66178520]

約数ペア:

[(1, 66178520), (2, 33089260), (4, 16544630), (5, 13235704), (8, 8272315), (10, 6617852), (19, 3483080), (20, 3308926), (38, 1741540), (40, 1654463), (76, 870770), (95, 696616), (152, 435385), (190, 348308), (361, 183320), (380, 174154), (722, 91660), (760, 87077), (1444, 45830), (1805, 36664), (2888, 22915), (3610, 18332), (4583, 14440), (7220, 9166)]