19731520

素因数分解:

$2^6\times 5^1\times {\mathrm{197}}^1\times {\mathrm{313}}^1$

素因数の和:527

約数の個数: 56

約数和(自身を含む): 47375064

約数和(自身を除く): 27643544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 197, 313, 320, 394, 626, 788, 985, 1252, 1565, 1576, 1970, 2504, 3130, 3152, 3940, 5008, 6260, 6304, 7880, 10016, 12520, 12608, 15760, 20032, 25040, 31520, 50080, 61661, 63040, 100160, 123322, 246644, 308305, 493288, 616610, 986576, 1233220, 1973152, 2466440, 3946304, 4932880, 9865760, 19731520]

約数ペア:

[(1, 19731520), (2, 9865760), (4, 4932880), (5, 3946304), (8, 2466440), (10, 1973152), (16, 1233220), (20, 986576), (32, 616610), (40, 493288), (64, 308305), (80, 246644), (160, 123322), (197, 100160), (313, 63040), (320, 61661), (394, 50080), (626, 31520), (788, 25040), (985, 20032), (1252, 15760), (1565, 12608), (1576, 12520), (1970, 10016), (2504, 7880), (3130, 6304), (3152, 6260), (3940, 5008)]