12406420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47717}}^1$

素因数の和:47739

約数の個数: 24

約数和(自身を含む): 28058184

約数和(自身を除く): 15651764

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 47717, 95434, 190868, 238585, 477170, 620321, 954340, 1240642, 2481284, 3101605, 6203210, 12406420]

約数ペア:

[(1, 12406420), (2, 6203210), (4, 3101605), (5, 2481284), (10, 1240642), (13, 954340), (20, 620321), (26, 477170), (52, 238585), (65, 190868), (130, 95434), (260, 47717)]