847842920

素因数分解:

$2^3\times 5^1\times {\mathrm{21196073}}^1$

素因数の和:21196084

約数の個数: 16

約数和(自身を含む): 1907646660

約数和(自身を除く): 1059803740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 21196073, 42392146, 84784292, 105980365, 169568584, 211960730, 423921460, 847842920]

約数ペア:

[(1, 847842920), (2, 423921460), (4, 211960730), (5, 169568584), (8, 105980365), (10, 84784292), (20, 42392146), (40, 21196073)]