12946720

素因数分解:

$2^5\times 5^1\times {\mathrm{80917}}^1$

素因数の和:80932

約数の個数: 24

約数和(自身を含む): 30587004

約数和(自身を除く): 17640284

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 80917, 161834, 323668, 404585, 647336, 809170, 1294672, 1618340, 2589344, 3236680, 6473360, 12946720]

約数ペア:

[(1, 12946720), (2, 6473360), (4, 3236680), (5, 2589344), (8, 1618340), (10, 1294672), (16, 809170), (20, 647336), (32, 404585), (40, 323668), (80, 161834), (160, 80917)]