131057480

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{46147}}^1$

素因数の和:46229

約数の個数: 32

約数和(自身を含む): 299039040

約数和(自身を除く): 167981560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 46147, 92294, 184588, 230735, 369176, 461470, 922940, 1845880, 3276437, 6552874, 13105748, 16382185, 26211496, 32764370, 65528740, 131057480]

約数ペア:

[(1, 131057480), (2, 65528740), (4, 32764370), (5, 26211496), (8, 16382185), (10, 13105748), (20, 6552874), (40, 3276437), (71, 1845880), (142, 922940), (284, 461470), (355, 369176), (568, 230735), (710, 184588), (1420, 92294), (2840, 46147)]