66817280

素因数分解:

$2^8\times 5^1\times {\mathrm{52201}}^1$

素因数の和:52222

約数の個数: 36

約数和(自身を含む): 160051332

約数和(自身を除く): 93234052

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 52201, 104402, 208804, 261005, 417608, 522010, 835216, 1044020, 1670432, 2088040, 3340864, 4176080, 6681728, 8352160, 13363456, 16704320, 33408640, 66817280]

約数ペア:

[(1, 66817280), (2, 33408640), (4, 16704320), (5, 13363456), (8, 8352160), (10, 6681728), (16, 4176080), (20, 3340864), (32, 2088040), (40, 1670432), (64, 1044020), (80, 835216), (128, 522010), (160, 417608), (256, 261005), (320, 208804), (640, 104402), (1280, 52201)]