8355280

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1471}}^1$

素因数の和:1555

約数の個数: 40

約数和(自身を含む): 19713024

約数和(自身を除く): 11357744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 1471, 2840, 2942, 5680, 5884, 7355, 11768, 14710, 23536, 29420, 58840, 104441, 117680, 208882, 417764, 522205, 835528, 1044410, 1671056, 2088820, 4177640, 8355280]

約数ペア:

[(1, 8355280), (2, 4177640), (4, 2088820), (5, 1671056), (8, 1044410), (10, 835528), (16, 522205), (20, 417764), (40, 208882), (71, 117680), (80, 104441), (142, 58840), (284, 29420), (355, 23536), (568, 14710), (710, 11768), (1136, 7355), (1420, 5884), (1471, 5680), (2840, 2942)]