64087025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{1493}}^1$

素因数の和:1621

約数の個数: 24

約数和(自身を含む): 85032504

約数和(自身を除く): 20945479

約数列:

[1, 5, 17, 25, 85, 101, 425, 505, 1493, 1717, 2525, 7465, 8585, 25381, 37325, 42925, 126905, 150793, 634525, 753965, 2563481, 3769825, 12817405, 64087025]

約数ペア:

[(1, 64087025), (5, 12817405), (17, 3769825), (25, 2563481), (85, 753965), (101, 634525), (425, 150793), (505, 126905), (1493, 42925), (1717, 37325), (2525, 25381), (7465, 8585)]