47968720

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{5501}}^1$

素因数の和:5623

約数の個数: 40

約数和(自身を含む): 112570920

約数和(自身を除く): 64602200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 5501, 8720, 11002, 22004, 27505, 44008, 55010, 88016, 110020, 220040, 440080, 599609, 1199218, 2398436, 2998045, 4796872, 5996090, 9593744, 11992180, 23984360, 47968720]

約数ペア:

[(1, 47968720), (2, 23984360), (4, 11992180), (5, 9593744), (8, 5996090), (10, 4796872), (16, 2998045), (20, 2398436), (40, 1199218), (80, 599609), (109, 440080), (218, 220040), (436, 110020), (545, 88016), (872, 55010), (1090, 44008), (1744, 27505), (2180, 22004), (4360, 11002), (5501, 8720)]