78711340

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{36781}}^1$

素因数の和:36897

約数の個数: 24

約数和(自身を含む): 166843152

約数和(自身を除く): 88131812

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 36781, 73562, 147124, 183905, 367810, 735620, 3935567, 7871134, 15742268, 19677835, 39355670, 78711340]

約数ペア:

[(1, 78711340), (2, 39355670), (4, 19677835), (5, 15742268), (10, 7871134), (20, 3935567), (107, 735620), (214, 367810), (428, 183905), (535, 147124), (1070, 73562), (2140, 36781)]