1234019440

素因数分解:

$2^4\times 5^1\times {\mathrm{15425243}}^1$

素因数の和:15425256

約数の個数: 20

約数和(自身を含む): 2869095384

約数和(自身を除く): 1635075944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 15425243, 30850486, 61700972, 77126215, 123401944, 154252430, 246803888, 308504860, 617009720, 1234019440]

約数ペア:

[(1, 1234019440), (2, 617009720), (4, 308504860), (5, 246803888), (8, 154252430), (10, 123401944), (16, 77126215), (20, 61700972), (40, 30850486), (80, 15425243)]