12778180

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{6203}}^1$

素因数の和:6315

約数の個数: 24

約数和(自身を含む): 27099072

約数和(自身を除く): 14320892

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 6203, 12406, 24812, 31015, 62030, 124060, 638909, 1277818, 2555636, 3194545, 6389090, 12778180]

約数ペア:

[(1, 12778180), (2, 6389090), (4, 3194545), (5, 2555636), (10, 1277818), (20, 638909), (103, 124060), (206, 62030), (412, 31015), (515, 24812), (1030, 12406), (2060, 6203)]