127719040

素因数分解:

$2^7\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1013}}^1$

素因数の和:1229

約数の個数: 64

約数和(自身を含む): 307181160

約数和(自身を除く): 179462120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 197, 320, 394, 640, 788, 985, 1013, 1576, 1970, 2026, 3152, 3940, 4052, 5065, 6304, 7880, 8104, 10130, 12608, 15760, 16208, 20260, 25216, 31520, 32416, 40520, 63040, 64832, 81040, 126080, 129664, 162080, 199561, 324160, 399122, 648320, 798244, 997805, 1596488, 1995610, 3192976, 3991220, 6385952, 7982440, 12771904, 15964880, 25543808, 31929760, 63859520, 127719040]

約数ペア:

[(1, 127719040), (2, 63859520), (4, 31929760), (5, 25543808), (8, 15964880), (10, 12771904), (16, 7982440), (20, 6385952), (32, 3991220), (40, 3192976), (64, 1995610), (80, 1596488), (128, 997805), (160, 798244), (197, 648320), (320, 399122), (394, 324160), (640, 199561), (788, 162080), (985, 129664), (1013, 126080), (1576, 81040), (1970, 64832), (2026, 63040), (3152, 40520), (3940, 32416), (4052, 31520), (5065, 25216), (6304, 20260), (7880, 16208), (8104, 15760), (10130, 12608)]