39187660

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^2\times {\mathrm{887}}^1$

素因数の和:990

約数の個数: 36

約数和(自身を含む): 84177072

約数和(自身を除く): 44989412

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 887, 940, 1774, 2209, 3548, 4418, 4435, 8836, 8870, 11045, 17740, 22090, 41689, 44180, 83378, 166756, 208445, 416890, 833780, 1959383, 3918766, 7837532, 9796915, 19593830, 39187660]

約数ペア:

[(1, 39187660), (2, 19593830), (4, 9796915), (5, 7837532), (10, 3918766), (20, 1959383), (47, 833780), (94, 416890), (188, 208445), (235, 166756), (470, 83378), (887, 44180), (940, 41689), (1774, 22090), (2209, 17740), (3548, 11045), (4418, 8870), (4435, 8836)]