17800520

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{4159}}^1$

素因数の和:4277

約数の個数: 32

約数和(自身を含む): 40435200

約数和(自身を除く): 22634680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4159, 4280, 8318, 16636, 20795, 33272, 41590, 83180, 166360, 445013, 890026, 1780052, 2225065, 3560104, 4450130, 8900260, 17800520]

約数ペア:

[(1, 17800520), (2, 8900260), (4, 4450130), (5, 3560104), (8, 2225065), (10, 1780052), (20, 890026), (40, 445013), (107, 166360), (214, 83180), (428, 41590), (535, 33272), (856, 20795), (1070, 16636), (2140, 8318), (4159, 4280)]