156622880

素因数分解:

$2^5\times 5^1\times {\mathrm{197}}^1\times {\mathrm{4969}}^1$

素因数の和:5181

約数の個数: 48

約数和(自身を含む): 371974680

約数和(自身を除く): 215351800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 197, 394, 788, 985, 1576, 1970, 3152, 3940, 4969, 6304, 7880, 9938, 15760, 19876, 24845, 31520, 39752, 49690, 79504, 99380, 159008, 198760, 397520, 795040, 978893, 1957786, 3915572, 4894465, 7831144, 9788930, 15662288, 19577860, 31324576, 39155720, 78311440, 156622880]

約数ペア:

[(1, 156622880), (2, 78311440), (4, 39155720), (5, 31324576), (8, 19577860), (10, 15662288), (16, 9788930), (20, 7831144), (32, 4894465), (40, 3915572), (80, 1957786), (160, 978893), (197, 795040), (394, 397520), (788, 198760), (985, 159008), (1576, 99380), (1970, 79504), (3152, 49690), (3940, 39752), (4969, 31520), (6304, 24845), (7880, 19876), (9938, 15760)]