71586280

素因数分解:

$2^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{6653}}^1$

素因数の和:6933

約数の個数: 32

約数和(自身を含む): 161692200

約数和(自身を除く): 90105920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 269, 538, 1076, 1345, 2152, 2690, 5380, 6653, 10760, 13306, 26612, 33265, 53224, 66530, 133060, 266120, 1789657, 3579314, 7158628, 8948285, 14317256, 17896570, 35793140, 71586280]

約数ペア:

[(1, 71586280), (2, 35793140), (4, 17896570), (5, 14317256), (8, 8948285), (10, 7158628), (20, 3579314), (40, 1789657), (269, 266120), (538, 133060), (1076, 66530), (1345, 53224), (2152, 33265), (2690, 26612), (5380, 13306), (6653, 10760)]