1228217080

素因数分解:

$2^3\times 5^1\times {\mathrm{30705427}}^1$

素因数の和:30705438

約数の個数: 16

約数和(自身を含む): 2763488520

約数和(自身を除く): 1535271440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 30705427, 61410854, 122821708, 153527135, 245643416, 307054270, 614108540, 1228217080]

約数ペア:

[(1, 1228217080), (2, 614108540), (4, 307054270), (5, 245643416), (8, 153527135), (10, 122821708), (20, 61410854), (40, 30705427)]