79998920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{46511}}^1$

素因数の和:46565

約数の個数: 32

約数和(自身を含む): 184187520

約数和(自身を除く): 104188600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 46511, 93022, 186044, 232555, 372088, 465110, 930220, 1860440, 1999973, 3999946, 7999892, 9999865, 15999784, 19999730, 39999460, 79998920]

約数ペア:

[(1, 79998920), (2, 39999460), (4, 19999730), (5, 15999784), (8, 9999865), (10, 7999892), (20, 3999946), (40, 1999973), (43, 1860440), (86, 930220), (172, 465110), (215, 372088), (344, 232555), (430, 186044), (860, 93022), (1720, 46511)]