131186240

素因数分解:

$2^6\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2081}}^1$

素因数の和:2295

約数の個数: 56

約数和(自身を含む): 314123832

約数和(自身を除く): 182937592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 197, 320, 394, 788, 985, 1576, 1970, 2081, 3152, 3940, 4162, 6304, 7880, 8324, 10405, 12608, 15760, 16648, 20810, 31520, 33296, 41620, 63040, 66592, 83240, 133184, 166480, 332960, 409957, 665920, 819914, 1639828, 2049785, 3279656, 4099570, 6559312, 8199140, 13118624, 16398280, 26237248, 32796560, 65593120, 131186240]

約数ペア:

[(1, 131186240), (2, 65593120), (4, 32796560), (5, 26237248), (8, 16398280), (10, 13118624), (16, 8199140), (20, 6559312), (32, 4099570), (40, 3279656), (64, 2049785), (80, 1639828), (160, 819914), (197, 665920), (320, 409957), (394, 332960), (788, 166480), (985, 133184), (1576, 83240), (1970, 66592), (2081, 63040), (3152, 41620), (3940, 33296), (4162, 31520), (6304, 20810), (7880, 16648), (8324, 15760), (10405, 12608)]