21826880

素因数分解:

$2^6\times 5^1\times {\mathrm{68209}}^1$

素因数の和:68226

約数の個数: 28

約数和(自身を含む): 51976020

約数和(自身を除く): 30149140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 68209, 136418, 272836, 341045, 545672, 682090, 1091344, 1364180, 2182688, 2728360, 4365376, 5456720, 10913440, 21826880]

約数ペア:

[(1, 21826880), (2, 10913440), (4, 5456720), (5, 4365376), (8, 2728360), (10, 2182688), (16, 1364180), (20, 1091344), (32, 682090), (40, 545672), (64, 341045), (80, 272836), (160, 136418), (320, 68209)]