210090140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{808039}}^1$

素因数の和:808061

約数の個数: 24

約数和(自身を含む): 475127520

約数和(自身を除く): 265037380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 808039, 1616078, 3232156, 4040195, 8080390, 10504507, 16160780, 21009014, 42018028, 52522535, 105045070, 210090140]

約数ペア:

[(1, 210090140), (2, 105045070), (4, 52522535), (5, 42018028), (10, 21009014), (13, 16160780), (20, 10504507), (26, 8080390), (52, 4040195), (65, 3232156), (130, 1616078), (260, 808039)]