51526120

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18143}}^1$

素因数の和:18225

約数の個数: 32

約数和(自身を含む): 117573120

約数和(自身を除く): 66047000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 18143, 36286, 72572, 90715, 145144, 181430, 362860, 725720, 1288153, 2576306, 5152612, 6440765, 10305224, 12881530, 25763060, 51526120]

約数ペア:

[(1, 51526120), (2, 25763060), (4, 12881530), (5, 10305224), (8, 6440765), (10, 5152612), (20, 2576306), (40, 1288153), (71, 725720), (142, 362860), (284, 181430), (355, 145144), (568, 90715), (710, 72572), (1420, 36286), (2840, 18143)]