3991460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{18143}}^1$

素因数の和:18163

約数の個数: 24

約数和(自身を含む): 9144576

約数和(自身を除く): 5153116

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 18143, 36286, 72572, 90715, 181430, 199573, 362860, 399146, 798292, 997865, 1995730, 3991460]

約数ペア:

[(1, 3991460), (2, 1995730), (4, 997865), (5, 798292), (10, 399146), (11, 362860), (20, 199573), (22, 181430), (44, 90715), (55, 72572), (110, 36286), (220, 18143)]