127738025

素因数分解:

$5^2\times {\mathrm{103}}^1\times {\mathrm{113}}^1\times {\mathrm{439}}^1$

素因数の和:665

約数の個数: 24

約数和(自身を含む): 161715840

約数和(自身を除く): 33977815

約数列:

[1, 5, 25, 103, 113, 439, 515, 565, 2195, 2575, 2825, 10975, 11639, 45217, 49607, 58195, 226085, 248035, 290975, 1130425, 1240175, 5109521, 25547605, 127738025]

約数ペア:

[(1, 127738025), (5, 25547605), (25, 5109521), (103, 1240175), (113, 1130425), (439, 290975), (515, 248035), (565, 226085), (2195, 58195), (2575, 49607), (2825, 45217), (10975, 11639)]