520012120

素因数分解:

$2^3\times 5^1\times {\mathrm{13000303}}^1$

素因数の和:13000314

約数の個数: 16

約数和(自身を含む): 1170027360

約数和(自身を除く): 650015240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 13000303, 26000606, 52001212, 65001515, 104002424, 130003030, 260006060, 520012120]

約数ペア:

[(1, 520012120), (2, 260006060), (4, 130003030), (5, 104002424), (8, 65001515), (10, 52001212), (20, 26000606), (40, 13000303)]