80000380

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{48193}}^1$

素因数の和:48285

約数の個数: 24

約数和(自身を含む): 170028432

約数和(自身を除く): 90028052

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 48193, 96386, 192772, 240965, 481930, 963860, 4000019, 8000038, 16000076, 20000095, 40000190, 80000380]

約数ペア:

[(1, 80000380), (2, 40000190), (4, 20000095), (5, 16000076), (10, 8000038), (20, 4000019), (83, 963860), (166, 481930), (332, 240965), (415, 192772), (830, 96386), (1660, 48193)]