78926080

素因数分解:

$2^8\times 5^1\times {\mathrm{197}}^1\times {\mathrm{313}}^1$

素因数の和:531

約数の個数: 72

約数和(自身を含む): 190619352

約数和(自身を除く): 111693272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 197, 256, 313, 320, 394, 626, 640, 788, 985, 1252, 1280, 1565, 1576, 1970, 2504, 3130, 3152, 3940, 5008, 6260, 6304, 7880, 10016, 12520, 12608, 15760, 20032, 25040, 25216, 31520, 40064, 50080, 50432, 61661, 63040, 80128, 100160, 123322, 126080, 200320, 246644, 252160, 308305, 400640, 493288, 616610, 986576, 1233220, 1973152, 2466440, 3946304, 4932880, 7892608, 9865760, 15785216, 19731520, 39463040, 78926080]

約数ペア:

[(1, 78926080), (2, 39463040), (4, 19731520), (5, 15785216), (8, 9865760), (10, 7892608), (16, 4932880), (20, 3946304), (32, 2466440), (40, 1973152), (64, 1233220), (80, 986576), (128, 616610), (160, 493288), (197, 400640), (256, 308305), (313, 252160), (320, 246644), (394, 200320), (626, 126080), (640, 123322), (788, 100160), (985, 80128), (1252, 63040), (1280, 61661), (1565, 50432), (1576, 50080), (1970, 40064), (2504, 31520), (3130, 25216), (3152, 25040), (3940, 20032), (5008, 15760), (6260, 12608), (6304, 12520), (7880, 10016)]