56138840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{34231}}^1$

素因数の和:34283

約数の個数: 32

約数和(自身を含む): 129396960

約数和(自身を除く): 73258120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 34231, 68462, 136924, 171155, 273848, 342310, 684620, 1369240, 1403471, 2806942, 5613884, 7017355, 11227768, 14034710, 28069420, 56138840]

約数ペア:

[(1, 56138840), (2, 28069420), (4, 14034710), (5, 11227768), (8, 7017355), (10, 5613884), (20, 2806942), (40, 1403471), (41, 1369240), (82, 684620), (164, 342310), (205, 273848), (328, 171155), (410, 136924), (820, 68462), (1640, 34231)]