54418840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{194353}}^1$

素因数の和:194371

約数の個数: 32

約数和(自身を含む): 139934880

約数和(自身を除く): 85516040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 194353, 388706, 777412, 971765, 1360471, 1554824, 1943530, 2720942, 3887060, 5441884, 6802355, 7774120, 10883768, 13604710, 27209420, 54418840]

約数ペア:

[(1, 54418840), (2, 27209420), (4, 13604710), (5, 10883768), (7, 7774120), (8, 6802355), (10, 5441884), (14, 3887060), (20, 2720942), (28, 1943530), (35, 1554824), (40, 1360471), (56, 971765), (70, 777412), (140, 388706), (280, 194353)]