65031520

素因数分解:

$2^5\times 5^1\times {\mathrm{406447}}^1$

素因数の和:406462

約数の個数: 24

約数和(自身を含む): 153637344

約数和(自身を除く): 88605824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 406447, 812894, 1625788, 2032235, 3251576, 4064470, 6503152, 8128940, 13006304, 16257880, 32515760, 65031520]

約数ペア:

[(1, 65031520), (2, 32515760), (4, 16257880), (5, 13006304), (8, 8128940), (10, 6503152), (16, 4064470), (20, 3251576), (32, 2032235), (40, 1625788), (80, 812894), (160, 406447)]