2049442040

素因数分解:

$2^3\times 5^1\times {\mathrm{443}}^1\times {\mathrm{115657}}^1$

素因数の和:116111

約数の個数: 32

約数和(自身を含む): 4621693680

約数和(自身を除く): 2572251640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 443, 886, 1772, 2215, 3544, 4430, 8860, 17720, 115657, 231314, 462628, 578285, 925256, 1156570, 2313140, 4626280, 51236051, 102472102, 204944204, 256180255, 409888408, 512360510, 1024721020, 2049442040]

約数ペア:

[(1, 2049442040), (2, 1024721020), (4, 512360510), (5, 409888408), (8, 256180255), (10, 204944204), (20, 102472102), (40, 51236051), (443, 4626280), (886, 2313140), (1772, 1156570), (2215, 925256), (3544, 578285), (4430, 462628), (8860, 231314), (17720, 115657)]