80121925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{8501}}^1$

素因数の和:8553

約数の個数: 24

約数和(自身を含む): 110696040

約数和(自身を除く): 30574115

約数列:

[1, 5, 13, 25, 29, 65, 145, 325, 377, 725, 1885, 8501, 9425, 42505, 110513, 212525, 246529, 552565, 1232645, 2762825, 3204877, 6163225, 16024385, 80121925]

約数ペア:

[(1, 80121925), (5, 16024385), (13, 6163225), (25, 3204877), (29, 2762825), (65, 1232645), (145, 552565), (325, 246529), (377, 212525), (725, 110513), (1885, 42505), (8501, 9425)]