3890660

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{4139}}^1$

素因数の和:4195

約数の個数: 24

約数和(自身を含む): 8346240

約数和(自身を除く): 4455580

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 4139, 8278, 16556, 20695, 41390, 82780, 194533, 389066, 778132, 972665, 1945330, 3890660]

約数ペア:

[(1, 3890660), (2, 1945330), (4, 972665), (5, 778132), (10, 389066), (20, 194533), (47, 82780), (94, 41390), (188, 20695), (235, 16556), (470, 8278), (940, 4139)]