996860659280

素因数分解:

$2^4\times 5^1\times {\mathrm{997}}^1\times {\mathrm{12498253}}^1$

素因数の和:12499263

約数の個数: 40

約数和(自身を含む): 2320025893512

約数和(自身を除く): 1323165234232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 997, 1994, 3988, 4985, 7976, 9970, 15952, 19940, 39880, 79760, 12498253, 24996506, 49993012, 62491265, 99986024, 124982530, 199972048, 249965060, 499930120, 999860240, 12460758241, 24921516482, 49843032964, 62303791205, 99686065928, 124607582410, 199372131856, 249215164820, 498430329640, 996860659280]

約数ペア:

[(1, 996860659280), (2, 498430329640), (4, 249215164820), (5, 199372131856), (8, 124607582410), (10, 99686065928), (16, 62303791205), (20, 49843032964), (40, 24921516482), (80, 12460758241), (997, 999860240), (1994, 499930120), (3988, 249965060), (4985, 199972048), (7976, 124982530), (9970, 99986024), (15952, 62491265), (19940, 49993012), (39880, 24996506), (79760, 12498253)]