29122780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{20509}}^1$

素因数の和:20589

約数の個数: 24

約数和(自身を含む): 62022240

約数和(自身を除く): 32899460

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 20509, 41018, 82036, 102545, 205090, 410180, 1456139, 2912278, 5824556, 7280695, 14561390, 29122780]

約数ペア:

[(1, 29122780), (2, 14561390), (4, 7280695), (5, 5824556), (10, 2912278), (20, 1456139), (71, 410180), (142, 205090), (284, 102545), (355, 82036), (710, 41018), (1420, 20509)]