8889741080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20203957}}^1$

素因数の和:20203979

約数の個数: 32

約数和(自身を含む): 21820274640

約数和(自身を除く): 12930533560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 20203957, 40407914, 80815828, 101019785, 161631656, 202039570, 222243527, 404079140, 444487054, 808158280, 888974108, 1111217635, 1777948216, 2222435270, 4444870540, 8889741080]

約数ペア:

[(1, 8889741080), (2, 4444870540), (4, 2222435270), (5, 1777948216), (8, 1111217635), (10, 888974108), (11, 808158280), (20, 444487054), (22, 404079140), (40, 222243527), (44, 202039570), (55, 161631656), (88, 101019785), (110, 80815828), (220, 40407914), (440, 20203957)]