26890460

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{15107}}^1$

素因数の和:15205

約数の個数: 24

約数和(自身を含む): 57108240

約数和(自身を除く): 30217780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 15107, 30214, 60428, 75535, 151070, 302140, 1344523, 2689046, 5378092, 6722615, 13445230, 26890460]

約数ペア:

[(1, 26890460), (2, 13445230), (4, 6722615), (5, 5378092), (10, 2689046), (20, 1344523), (89, 302140), (178, 151070), (356, 75535), (445, 60428), (890, 30214), (1780, 15107)]