2116749520

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{272777}}^1$

素因数の和:272887

約数の個数: 40

約数和(自身を含む): 4972197384

約数和(自身を除く): 2855447864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 272777, 545554, 1091108, 1363885, 2182216, 2727770, 4364432, 5455540, 10911080, 21822160, 26459369, 52918738, 105837476, 132296845, 211674952, 264593690, 423349904, 529187380, 1058374760, 2116749520]

約数ペア:

[(1, 2116749520), (2, 1058374760), (4, 529187380), (5, 423349904), (8, 264593690), (10, 211674952), (16, 132296845), (20, 105837476), (40, 52918738), (80, 26459369), (97, 21822160), (194, 10911080), (388, 5455540), (485, 4364432), (776, 2727770), (970, 2182216), (1552, 1363885), (1940, 1091108), (3880, 545554), (7760, 272777)]