250120880

素因数分解:

$2^4\times 5^1\times {\mathrm{3126511}}^1$

素因数の和:3126524

約数の個数: 20

約数和(自身を含む): 581531232

約数和(自身を除く): 331410352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3126511, 6253022, 12506044, 15632555, 25012088, 31265110, 50024176, 62530220, 125060440, 250120880]

約数ペア:

[(1, 250120880), (2, 125060440), (4, 62530220), (5, 50024176), (8, 31265110), (10, 25012088), (16, 15632555), (20, 12506044), (40, 6253022), (80, 3126511)]