51906640

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{6689}}^1$

素因数の和:6799

約数の個数: 40

約数和(自身を含む): 121945320

約数和(自身を除く): 70038680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 6689, 7760, 13378, 26756, 33445, 53512, 66890, 107024, 133780, 267560, 535120, 648833, 1297666, 2595332, 3244165, 5190664, 6488330, 10381328, 12976660, 25953320, 51906640]

約数ペア:

[(1, 51906640), (2, 25953320), (4, 12976660), (5, 10381328), (8, 6488330), (10, 5190664), (16, 3244165), (20, 2595332), (40, 1297666), (80, 648833), (97, 535120), (194, 267560), (388, 133780), (485, 107024), (776, 66890), (970, 53512), (1552, 33445), (1940, 26756), (3880, 13378), (6689, 7760)]