40820440

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{21713}}^1$

素因数の和:21771

約数の個数: 32

約数和(自身を含む): 93804480

約数和(自身を除く): 52984040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 21713, 43426, 86852, 108565, 173704, 217130, 434260, 868520, 1020511, 2041022, 4082044, 5102555, 8164088, 10205110, 20410220, 40820440]

約数ペア:

[(1, 40820440), (2, 20410220), (4, 10205110), (5, 8164088), (8, 5102555), (10, 4082044), (20, 2041022), (40, 1020511), (47, 868520), (94, 434260), (188, 217130), (235, 173704), (376, 108565), (470, 86852), (940, 43426), (1880, 21713)]