155614240

素因数分解:

$2^5\times 5^1\times {\mathrm{197}}^1\times {\mathrm{4937}}^1$

素因数の和:5149

約数の個数: 48

約数和(自身を含む): 369579672

約数和(自身を除く): 213965432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 197, 394, 788, 985, 1576, 1970, 3152, 3940, 4937, 6304, 7880, 9874, 15760, 19748, 24685, 31520, 39496, 49370, 78992, 98740, 157984, 197480, 394960, 789920, 972589, 1945178, 3890356, 4862945, 7780712, 9725890, 15561424, 19451780, 31122848, 38903560, 77807120, 155614240]

約数ペア:

[(1, 155614240), (2, 77807120), (4, 38903560), (5, 31122848), (8, 19451780), (10, 15561424), (16, 9725890), (20, 7780712), (32, 4862945), (40, 3890356), (80, 1945178), (160, 972589), (197, 789920), (394, 394960), (788, 197480), (985, 157984), (1576, 98740), (1970, 78992), (3152, 49370), (3940, 39496), (4937, 31520), (6304, 24685), (7880, 19748), (9874, 15760)]