40400048

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4517}}^1$

素因数の和:4581

約数の個数: 40

約数和(自身を含む): 86275728

約数和(自身を除く): 45875680

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 2236, 4472, 4517, 8944, 9034, 18068, 36136, 58721, 72272, 117442, 194231, 234884, 388462, 469768, 776924, 939536, 1553848, 2525003, 3107696, 5050006, 10100012, 20200024, 40400048]

約数ペア:

[(1, 40400048), (2, 20200024), (4, 10100012), (8, 5050006), (13, 3107696), (16, 2525003), (26, 1553848), (43, 939536), (52, 776924), (86, 469768), (104, 388462), (172, 234884), (208, 194231), (344, 117442), (559, 72272), (688, 58721), (1118, 36136), (2236, 18068), (4472, 9034), (4517, 8944)]