64880128

素因数分解:

$2^9\times {\mathrm{126719}}^1$

素因数の和:126737

約数の個数: 20

約数和(自身を含む): 129634560

約数和(自身を除く): 64754432

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 126719, 253438, 506876, 1013752, 2027504, 4055008, 8110016, 16220032, 32440064, 64880128]

約数ペア:

[(1, 64880128), (2, 32440064), (4, 16220032), (8, 8110016), (16, 4055008), (32, 2027504), (64, 1013752), (128, 506876), (256, 253438), (512, 126719)]