40380520

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^2\times {\mathrm{457}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 93033540

約数和(自身を除く): 52653020

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 457, 470, 914, 940, 1828, 1880, 2209, 2285, 3656, 4418, 4570, 8836, 9140, 11045, 17672, 18280, 21479, 22090, 42958, 44180, 85916, 88360, 107395, 171832, 214790, 429580, 859160, 1009513, 2019026, 4038052, 5047565, 8076104, 10095130, 20190260, 40380520]

約数ペア:

[(1, 40380520), (2, 20190260), (4, 10095130), (5, 8076104), (8, 5047565), (10, 4038052), (20, 2019026), (40, 1009513), (47, 859160), (94, 429580), (188, 214790), (235, 171832), (376, 107395), (457, 88360), (470, 85916), (914, 44180), (940, 42958), (1828, 22090), (1880, 21479), (2209, 18280), (2285, 17672), (3656, 11045), (4418, 9140), (4570, 8836)]