8256740

素因数分解:

$2^2\times 5^1\times {\mathrm{293}}^1\times {\mathrm{1409}}^1$

素因数の和:1711

約数の個数: 24

約数和(自身を含む): 17410680

約数和(自身を除く): 9153940

約数列:

[1, 2, 4, 5, 10, 20, 293, 586, 1172, 1409, 1465, 2818, 2930, 5636, 5860, 7045, 14090, 28180, 412837, 825674, 1651348, 2064185, 4128370, 8256740]

約数ペア:

[(1, 8256740), (2, 4128370), (4, 2064185), (5, 1651348), (10, 825674), (20, 412837), (293, 28180), (586, 14090), (1172, 7045), (1409, 5860), (1465, 5636), (2818, 2930)]