8039540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12967}}^1$

素因数の和:13007

約数の個数: 24

約数和(自身を含む): 17428992

約数和(自身を除く): 9389452

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 12967, 25934, 51868, 64835, 129670, 259340, 401977, 803954, 1607908, 2009885, 4019770, 8039540]

約数ペア:

[(1, 8039540), (2, 4019770), (4, 2009885), (5, 1607908), (10, 803954), (20, 401977), (31, 259340), (62, 129670), (124, 64835), (155, 51868), (310, 25934), (620, 12967)]