66089560

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{8387}}^1$

素因数の和:8595

約数の個数: 32

約数和(自身を含む): 149474160

約数和(自身を除く): 83384600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 8387, 16774, 33548, 41935, 67096, 83870, 167740, 335480, 1652239, 3304478, 6608956, 8261195, 13217912, 16522390, 33044780, 66089560]

約数ペア:

[(1, 66089560), (2, 33044780), (4, 16522390), (5, 13217912), (8, 8261195), (10, 6608956), (20, 3304478), (40, 1652239), (197, 335480), (394, 167740), (788, 83870), (985, 67096), (1576, 41935), (1970, 33548), (3940, 16774), (7880, 8387)]