42647380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{52009}}^1$

素因数の和:52059

約数の個数: 24

約数和(自身を含む): 91745640

約数和(自身を除く): 49098260

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 52009, 104018, 208036, 260045, 520090, 1040180, 2132369, 4264738, 8529476, 10661845, 21323690, 42647380]

約数ペア:

[(1, 42647380), (2, 21323690), (4, 10661845), (5, 8529476), (10, 4264738), (20, 2132369), (41, 1040180), (82, 520090), (164, 260045), (205, 208036), (410, 104018), (820, 52009)]