65140480

素因数分解:

$2^8\times 5^1\times {\mathrm{50891}}^1$

素因数の和:50912

約数の個数: 36

約数和(自身を含む): 156034872

約数和(自身を除く): 90894392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 50891, 101782, 203564, 254455, 407128, 508910, 814256, 1017820, 1628512, 2035640, 3257024, 4071280, 6514048, 8142560, 13028096, 16285120, 32570240, 65140480]

約数ペア:

[(1, 65140480), (2, 32570240), (4, 16285120), (5, 13028096), (8, 8142560), (10, 6514048), (16, 4071280), (20, 3257024), (32, 2035640), (40, 1628512), (64, 1017820), (80, 814256), (128, 508910), (160, 407128), (256, 254455), (320, 203564), (640, 101782), (1280, 50891)]