105655040

素因数分解:

$2^8\times 5^1\times {\mathrm{197}}^1\times {\mathrm{419}}^1$

素因数の和:637

約数の個数: 72

約数和(自身を含む): 254968560

約数和(自身を除く): 149313520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 197, 256, 320, 394, 419, 640, 788, 838, 985, 1280, 1576, 1676, 1970, 2095, 3152, 3352, 3940, 4190, 6304, 6704, 7880, 8380, 12608, 13408, 15760, 16760, 25216, 26816, 31520, 33520, 50432, 53632, 63040, 67040, 82543, 107264, 126080, 134080, 165086, 252160, 268160, 330172, 412715, 536320, 660344, 825430, 1320688, 1650860, 2641376, 3301720, 5282752, 6603440, 10565504, 13206880, 21131008, 26413760, 52827520, 105655040]

約数ペア:

[(1, 105655040), (2, 52827520), (4, 26413760), (5, 21131008), (8, 13206880), (10, 10565504), (16, 6603440), (20, 5282752), (32, 3301720), (40, 2641376), (64, 1650860), (80, 1320688), (128, 825430), (160, 660344), (197, 536320), (256, 412715), (320, 330172), (394, 268160), (419, 252160), (640, 165086), (788, 134080), (838, 126080), (985, 107264), (1280, 82543), (1576, 67040), (1676, 63040), (1970, 53632), (2095, 50432), (3152, 33520), (3352, 31520), (3940, 26816), (4190, 25216), (6304, 16760), (6704, 15760), (7880, 13408), (8380, 12608)]