54143480

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{6871}}^1$

素因数の和:7079

約数の個数: 32

約数和(自身を含む): 122459040

約数和(自身を除く): 68315560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 6871, 7880, 13742, 27484, 34355, 54968, 68710, 137420, 274840, 1353587, 2707174, 5414348, 6767935, 10828696, 13535870, 27071740, 54143480]

約数ペア:

[(1, 54143480), (2, 27071740), (4, 13535870), (5, 10828696), (8, 6767935), (10, 5414348), (20, 2707174), (40, 1353587), (197, 274840), (394, 137420), (788, 68710), (985, 54968), (1576, 34355), (1970, 27484), (3940, 13742), (6871, 7880)]