449894440

素因数分解:

$2^3\times 5^1\times {\mathrm{11247361}}^1$

素因数の和:11247372

約数の個数: 16

約数和(自身を含む): 1012262580

約数和(自身を除く): 562368140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 11247361, 22494722, 44989444, 56236805, 89978888, 112473610, 224947220, 449894440]

約数ペア:

[(1, 449894440), (2, 224947220), (4, 112473610), (5, 89978888), (8, 56236805), (10, 44989444), (20, 22494722), (40, 11247361)]