26657260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{190409}}^1$

素因数の和:190425

約数の個数: 24

約数和(自身を含む): 63977760

約数和(自身を除く): 37320500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 190409, 380818, 761636, 952045, 1332863, 1904090, 2665726, 3808180, 5331452, 6664315, 13328630, 26657260]

約数ペア:

[(1, 26657260), (2, 13328630), (4, 6664315), (5, 5331452), (7, 3808180), (10, 2665726), (14, 1904090), (20, 1332863), (28, 952045), (35, 761636), (70, 380818), (140, 190409)]