80266540

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{31601}}^1$

素因数の和:31737

約数の個数: 24

約数和(自身を含む): 169892352

約数和(自身を除く): 89625812

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 31601, 63202, 126404, 158005, 316010, 632020, 4013327, 8026654, 16053308, 20066635, 40133270, 80266540]

約数ペア:

[(1, 80266540), (2, 40133270), (4, 20066635), (5, 16053308), (10, 8026654), (20, 4013327), (127, 632020), (254, 316010), (508, 158005), (635, 126404), (1270, 63202), (2540, 31601)]