1801040

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{479}}^1$

素因数の和:539

約数の個数: 40

約数和(自身を含む): 4285440

約数和(自身を除く): 2484400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 479, 752, 940, 958, 1880, 1916, 2395, 3760, 3832, 4790, 7664, 9580, 19160, 22513, 38320, 45026, 90052, 112565, 180104, 225130, 360208, 450260, 900520, 1801040]

約数ペア:

[(1, 1801040), (2, 900520), (4, 450260), (5, 360208), (8, 225130), (10, 180104), (16, 112565), (20, 90052), (40, 45026), (47, 38320), (80, 22513), (94, 19160), (188, 9580), (235, 7664), (376, 4790), (470, 3832), (479, 3760), (752, 2395), (940, 1916), (958, 1880)]