176931820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{680507}}^1$

素因数の和:680529

約数の個数: 24

約数和(自身を含む): 400138704

約数和(自身を除く): 223206884

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 680507, 1361014, 2722028, 3402535, 6805070, 8846591, 13610140, 17693182, 35386364, 44232955, 88465910, 176931820]

約数ペア:

[(1, 176931820), (2, 88465910), (4, 44232955), (5, 35386364), (10, 17693182), (13, 13610140), (20, 8846591), (26, 6805070), (52, 3402535), (65, 2722028), (130, 1361014), (260, 680507)]