888965080

素因数分解:

$2^3\times 5^1\times {\mathrm{997}}^1\times {\mathrm{22291}}^1$

素因数の和:23299

約数の個数: 32

約数和(自身を含む): 2002267440

約数和(自身を除く): 1113302360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 997, 1994, 3988, 4985, 7976, 9970, 19940, 22291, 39880, 44582, 89164, 111455, 178328, 222910, 445820, 891640, 22224127, 44448254, 88896508, 111120635, 177793016, 222241270, 444482540, 888965080]

約数ペア:

[(1, 888965080), (2, 444482540), (4, 222241270), (5, 177793016), (8, 111120635), (10, 88896508), (20, 44448254), (40, 22224127), (997, 891640), (1994, 445820), (3988, 222910), (4985, 178328), (7976, 111455), (9970, 89164), (19940, 44582), (22291, 39880)]