78636025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1847}}^1$

素因数の和:2001

約数の個数: 24

約数和(自身を含む): 105868224

約数和(自身を除く): 27232199

約数列:

[1, 5, 13, 25, 65, 131, 325, 655, 1703, 1847, 3275, 8515, 9235, 24011, 42575, 46175, 120055, 241957, 600275, 1209785, 3145441, 6048925, 15727205, 78636025]

約数ペア:

[(1, 78636025), (5, 15727205), (13, 6048925), (25, 3145441), (65, 1209785), (131, 600275), (325, 241957), (655, 120055), (1703, 46175), (1847, 42575), (3275, 24011), (8515, 9235)]