2013851920

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{259517}}^1$

素因数の和:259627

約数の個数: 40

約数和(自身を含む): 4730494104

約数和(自身を除く): 2716642184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 259517, 519034, 1038068, 1297585, 2076136, 2595170, 4152272, 5190340, 10380680, 20761360, 25173149, 50346298, 100692596, 125865745, 201385192, 251731490, 402770384, 503462980, 1006925960, 2013851920]

約数ペア:

[(1, 2013851920), (2, 1006925960), (4, 503462980), (5, 402770384), (8, 251731490), (10, 201385192), (16, 125865745), (20, 100692596), (40, 50346298), (80, 25173149), (97, 20761360), (194, 10380680), (388, 5190340), (485, 4152272), (776, 2595170), (970, 2076136), (1552, 1297585), (1940, 1038068), (3880, 519034), (7760, 259517)]