13455940

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{3889}}^1$

素因数の和:4071

約数の個数: 24

約数和(自身を含む): 28428120

約数和(自身を除く): 14972180

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 3889, 7778, 15556, 19445, 38890, 77780, 672797, 1345594, 2691188, 3363985, 6727970, 13455940]

約数ペア:

[(1, 13455940), (2, 6727970), (4, 3363985), (5, 2691188), (10, 1345594), (20, 672797), (173, 77780), (346, 38890), (692, 19445), (865, 15556), (1730, 7778), (3460, 3889)]