166808540

素因数分解:

$2^2\times 5^1\times {\mathrm{881}}^1\times {\mathrm{9467}}^1$

素因数の和:10357

約数の個数: 24

約数和(自身を含む): 350732592

約数和(自身を除く): 183924052

約数列:

[1, 2, 4, 5, 10, 20, 881, 1762, 3524, 4405, 8810, 9467, 17620, 18934, 37868, 47335, 94670, 189340, 8340427, 16680854, 33361708, 41702135, 83404270, 166808540]

約数ペア:

[(1, 166808540), (2, 83404270), (4, 41702135), (5, 33361708), (10, 16680854), (20, 8340427), (881, 189340), (1762, 94670), (3524, 47335), (4405, 37868), (8810, 18934), (9467, 17620)]