2021647675

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{26839}}^1$

素因数の和:27003

約数の個数: 24

約数和(自身を含む): 2635902720

約数和(自身を除く): 614255045

約数列:

[1, 5, 23, 25, 115, 131, 575, 655, 3013, 3275, 15065, 26839, 75325, 134195, 617297, 670975, 3086485, 3515909, 15432425, 17579545, 80865907, 87897725, 404329535, 2021647675]

約数ペア:

[(1, 2021647675), (5, 404329535), (23, 87897725), (25, 80865907), (115, 17579545), (131, 15432425), (575, 3515909), (655, 3086485), (3013, 670975), (3275, 617297), (15065, 134195), (26839, 75325)]