13026880

素因数分解:

$2^6\times 5^1\times {\mathrm{40709}}^1$

素因数の和:40726

約数の個数: 28

約数和(自身を含む): 31021020

約数和(自身を除く): 17994140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 40709, 81418, 162836, 203545, 325672, 407090, 651344, 814180, 1302688, 1628360, 2605376, 3256720, 6513440, 13026880]

約数ペア:

[(1, 13026880), (2, 6513440), (4, 3256720), (5, 2605376), (8, 1628360), (10, 1302688), (16, 814180), (20, 651344), (32, 407090), (40, 325672), (64, 203545), (80, 162836), (160, 81418), (320, 40709)]