84720640

素因数分解:

$2^{10}\times 5^1\times {\mathrm{16547}}^1$

素因数の和:16572

約数の個数: 44

約数和(自身を含む): 203242536

約数和(自身を除く): 118521896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 16547, 33094, 66188, 82735, 132376, 165470, 264752, 330940, 529504, 661880, 1059008, 1323760, 2118016, 2647520, 4236032, 5295040, 8472064, 10590080, 16944128, 21180160, 42360320, 84720640]

約数ペア:

[(1, 84720640), (2, 42360320), (4, 21180160), (5, 16944128), (8, 10590080), (10, 8472064), (16, 5295040), (20, 4236032), (32, 2647520), (40, 2118016), (64, 1323760), (80, 1059008), (128, 661880), (160, 529504), (256, 330940), (320, 264752), (512, 165470), (640, 132376), (1024, 82735), (1280, 66188), (2560, 33094), (5120, 16547)]