2090140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8039}}^1$

素因数の和:8061

約数の個数: 24

約数和(自身を含む): 4727520

約数和(自身を除く): 2637380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 8039, 16078, 32156, 40195, 80390, 104507, 160780, 209014, 418028, 522535, 1045070, 2090140]

約数ペア:

[(1, 2090140), (2, 1045070), (4, 522535), (5, 418028), (10, 209014), (13, 160780), (20, 104507), (26, 80390), (52, 40195), (65, 32156), (130, 16078), (260, 8039)]