15880475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{373}}^1$

素因数の和:527

約数の個数: 24

約数和(自身を含む): 21425712

約数和(自身を除く): 5545237

約数列:

[1, 5, 13, 25, 65, 131, 325, 373, 655, 1703, 1865, 3275, 4849, 8515, 9325, 24245, 42575, 48863, 121225, 244315, 635219, 1221575, 3176095, 15880475]

約数ペア:

[(1, 15880475), (5, 3176095), (13, 1221575), (25, 635219), (65, 244315), (131, 121225), (325, 48863), (373, 42575), (655, 24245), (1703, 9325), (1865, 8515), (3275, 4849)]