27701875

素因数分解:

$5^4\times {\mathrm{127}}^1\times {\mathrm{349}}^1$

素因数の和:496

約数の個数: 20

約数和(自身を含む): 34988800

約数和(自身を除く): 7286925

約数列:

[1, 5, 25, 125, 127, 349, 625, 635, 1745, 3175, 8725, 15875, 43625, 44323, 79375, 218125, 221615, 1108075, 5540375, 27701875]

約数ペア:

[(1, 27701875), (5, 5540375), (25, 1108075), (125, 221615), (127, 218125), (349, 79375), (625, 44323), (635, 43625), (1745, 15875), (3175, 8725)]