845360

素因数分解:

$2^4\times 5^1\times {\mathrm{10567}}^1$

素因数の和:10580

約数の個数: 20

約数和(自身を含む): 1965648

約数和(自身を除く): 1120288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10567, 21134, 42268, 52835, 84536, 105670, 169072, 211340, 422680, 845360]

約数ペア:

[(1, 845360), (2, 422680), (4, 211340), (5, 169072), (8, 105670), (10, 84536), (16, 52835), (20, 42268), (40, 21134), (80, 10567)]