13121560

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{2903}}^1$

素因数の和:3027

約数の個数: 32

約数和(自身を含む): 29795040

約数和(自身を除く): 16673480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 2903, 4520, 5806, 11612, 14515, 23224, 29030, 58060, 116120, 328039, 656078, 1312156, 1640195, 2624312, 3280390, 6560780, 13121560]

約数ペア:

[(1, 13121560), (2, 6560780), (4, 3280390), (5, 2624312), (8, 1640195), (10, 1312156), (20, 656078), (40, 328039), (113, 116120), (226, 58060), (452, 29030), (565, 23224), (904, 14515), (1130, 11612), (2260, 5806), (2903, 4520)]