12566140

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{2389}}^1$

素因数の和:2661

約数の個数: 24

約数和(自身を含む): 26500320

約数和(自身を除く): 13934180

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2389, 2630, 4778, 5260, 9556, 11945, 23890, 47780, 628307, 1256614, 2513228, 3141535, 6283070, 12566140]

約数ペア:

[(1, 12566140), (2, 6283070), (4, 3141535), (5, 2513228), (10, 1256614), (20, 628307), (263, 47780), (526, 23890), (1052, 11945), (1315, 9556), (2389, 5260), (2630, 4778)]