65200640

素因数分解:

$2^9\times 5^1\times {\mathrm{25469}}^1$

素因数の和:25492

約数の個数: 40

約数和(自身を含む): 156334860

約数和(自身を除く): 91134220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 25469, 50938, 101876, 127345, 203752, 254690, 407504, 509380, 815008, 1018760, 1630016, 2037520, 3260032, 4075040, 6520064, 8150080, 13040128, 16300160, 32600320, 65200640]

約数ペア:

[(1, 65200640), (2, 32600320), (4, 16300160), (5, 13040128), (8, 8150080), (10, 6520064), (16, 4075040), (20, 3260032), (32, 2037520), (40, 1630016), (64, 1018760), (80, 815008), (128, 509380), (160, 407504), (256, 254690), (320, 203752), (512, 127345), (640, 101876), (1280, 50938), (2560, 25469)]