13442980

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{2789}}^1$

素因数の和:3039

約数の個数: 24

約数和(自身を含む): 28357560

約数和(自身を除く): 14914580

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410, 2789, 4820, 5578, 11156, 13945, 27890, 55780, 672149, 1344298, 2688596, 3360745, 6721490, 13442980]

約数ペア:

[(1, 13442980), (2, 6721490), (4, 3360745), (5, 2688596), (10, 1344298), (20, 672149), (241, 55780), (482, 27890), (964, 13945), (1205, 11156), (2410, 5578), (2789, 4820)]