9890140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38039}}^1$

素因数の和:38061

約数の個数: 24

約数和(自身を含む): 22367520

約数和(自身を除く): 12477380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 38039, 76078, 152156, 190195, 380390, 494507, 760780, 989014, 1978028, 2472535, 4945070, 9890140]

約数ペア:

[(1, 9890140), (2, 4945070), (4, 2472535), (5, 1978028), (10, 989014), (13, 760780), (20, 494507), (26, 380390), (52, 190195), (65, 152156), (130, 76078), (260, 38039)]