864326875

素因数分解:

$5^4\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1109}}^1$

素因数の和:1201

約数の個数: 40

約数和(自身を含む): 1144321200

約数和(自身を除く): 279994325

約数列:

[1, 5, 25, 29, 43, 125, 145, 215, 625, 725, 1075, 1109, 1247, 3625, 5375, 5545, 6235, 18125, 26875, 27725, 31175, 32161, 47687, 138625, 155875, 160805, 238435, 693125, 779375, 804025, 1192175, 1382923, 4020125, 5960875, 6914615, 20100625, 29804375, 34573075, 172865375, 864326875]

約数ペア:

[(1, 864326875), (5, 172865375), (25, 34573075), (29, 29804375), (43, 20100625), (125, 6914615), (145, 5960875), (215, 4020125), (625, 1382923), (725, 1192175), (1075, 804025), (1109, 779375), (1247, 693125), (3625, 238435), (5375, 160805), (5545, 155875), (6235, 138625), (18125, 47687), (26875, 32161), (27725, 31175)]