42579640

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{4241}}^1$

素因数の和:4503

約数の個数: 32

約数和(自身を含む): 96208560

約数和(自身を除く): 53628920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 4241, 5020, 8482, 10040, 16964, 21205, 33928, 42410, 84820, 169640, 1064491, 2128982, 4257964, 5322455, 8515928, 10644910, 21289820, 42579640]

約数ペア:

[(1, 42579640), (2, 21289820), (4, 10644910), (5, 8515928), (8, 5322455), (10, 4257964), (20, 2128982), (40, 1064491), (251, 169640), (502, 84820), (1004, 42410), (1255, 33928), (2008, 21205), (2510, 16964), (4241, 10040), (5020, 8482)]