39920128

素因数分解:

$2^9\times {\mathrm{77969}}^1$

素因数の和:77987

約数の個数: 20

約数和(自身を含む): 79763310

約数和(自身を除く): 39843182

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 77969, 155938, 311876, 623752, 1247504, 2495008, 4990016, 9980032, 19960064, 39920128]

約数ペア:

[(1, 39920128), (2, 19960064), (4, 9980032), (8, 4990016), (16, 2495008), (32, 1247504), (64, 623752), (128, 311876), (256, 155938), (512, 77969)]