200720052025

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{195824441}}^1$

素因数の和:195824492

約数の個数: 12

約数和(自身を含む): 254963423484

約数和(自身を除く): 54243371459

約数列:

[1, 5, 25, 41, 205, 1025, 195824441, 979122205, 4895611025, 8028802081, 40144010405, 200720052025]

約数ペア:

[(1, 200720052025), (5, 40144010405), (25, 8028802081), (41, 4895611025), (205, 979122205), (1025, 195824441)]