80289020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{573493}}^1$

素因数の和:573509

約数の個数: 24

約数和(自身を含む): 192693984

約数和(自身を除く): 112404964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 573493, 1146986, 2293972, 2867465, 4014451, 5734930, 8028902, 11469860, 16057804, 20072255, 40144510, 80289020]

約数ペア:

[(1, 80289020), (2, 40144510), (4, 20072255), (5, 16057804), (7, 11469860), (10, 8028902), (14, 5734930), (20, 4014451), (28, 2867465), (35, 2293972), (70, 1146986), (140, 573493)]