85419760

素因数分解:

$2^4\times 5^1\times {\mathrm{1067747}}^1$

素因数の和:1067760

約数の個数: 20

約数和(自身を含む): 198601128

約数和(自身を除く): 113181368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1067747, 2135494, 4270988, 5338735, 8541976, 10677470, 17083952, 21354940, 42709880, 85419760]

約数ペア:

[(1, 85419760), (2, 42709880), (4, 21354940), (5, 17083952), (8, 10677470), (10, 8541976), (16, 5338735), (20, 4270988), (40, 2135494), (80, 1067747)]