15681025

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{503}}^1$

素因数の和:585

約数の個数: 24

約数和(自身を含む): 20623680

約数和(自身を除く): 4942655

約数列:

[1, 5, 25, 29, 43, 145, 215, 503, 725, 1075, 1247, 2515, 6235, 12575, 14587, 21629, 31175, 72935, 108145, 364675, 540725, 627241, 3136205, 15681025]

約数ペア:

[(1, 15681025), (5, 3136205), (25, 627241), (29, 540725), (43, 364675), (145, 108145), (215, 72935), (503, 31175), (725, 21629), (1075, 14587), (1247, 12575), (2515, 6235)]