9812780

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{2741}}^1$

素因数の和:2929

約数の個数: 24

約数和(自身を含む): 20729520

約数和(自身を除く): 10916740

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 2741, 3580, 5482, 10964, 13705, 27410, 54820, 490639, 981278, 1962556, 2453195, 4906390, 9812780]

約数ペア:

[(1, 9812780), (2, 4906390), (4, 2453195), (5, 1962556), (10, 981278), (20, 490639), (179, 54820), (358, 27410), (716, 13705), (895, 10964), (1790, 5482), (2741, 3580)]