16380440

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{8713}}^1$

素因数の和:8771

約数の個数: 32

約数和(自身を含む): 37644480

約数和(自身を除く): 21264040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 8713, 17426, 34852, 43565, 69704, 87130, 174260, 348520, 409511, 819022, 1638044, 2047555, 3276088, 4095110, 8190220, 16380440]

約数ペア:

[(1, 16380440), (2, 8190220), (4, 4095110), (5, 3276088), (8, 2047555), (10, 1638044), (20, 819022), (40, 409511), (47, 348520), (94, 174260), (188, 87130), (235, 69704), (376, 43565), (470, 34852), (940, 17426), (1880, 8713)]