123399160

素因数分解:

$2^3\times 5^1\times {\mathrm{3084979}}^1$

素因数の和:3084990

約数の個数: 16

約数和(自身を含む): 277648200

約数和(自身を除く): 154249040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3084979, 6169958, 12339916, 15424895, 24679832, 30849790, 61699580, 123399160]

約数ペア:

[(1, 123399160), (2, 61699580), (4, 30849790), (5, 24679832), (8, 15424895), (10, 12339916), (20, 6169958), (40, 3084979)]