104228920

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{10139}}^1$

素因数の和:10407

約数の個数: 32

約数和(自身を含む): 235450800

約数和(自身を除く): 131221880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140, 10139, 10280, 20278, 40556, 50695, 81112, 101390, 202780, 405560, 2605723, 5211446, 10422892, 13028615, 20845784, 26057230, 52114460, 104228920]

約数ペア:

[(1, 104228920), (2, 52114460), (4, 26057230), (5, 20845784), (8, 13028615), (10, 10422892), (20, 5211446), (40, 2605723), (257, 405560), (514, 202780), (1028, 101390), (1285, 81112), (2056, 50695), (2570, 40556), (5140, 20278), (10139, 10280)]