157422680

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{36781}}^1$

素因数の和:36899

約数の個数: 32

約数和(自身を含む): 357521040

約数和(自身を除く): 200098360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 36781, 73562, 147124, 183905, 294248, 367810, 735620, 1471240, 3935567, 7871134, 15742268, 19677835, 31484536, 39355670, 78711340, 157422680]

約数ペア:

[(1, 157422680), (2, 78711340), (4, 39355670), (5, 31484536), (8, 19677835), (10, 15742268), (20, 7871134), (40, 3935567), (107, 1471240), (214, 735620), (428, 367810), (535, 294248), (856, 183905), (1070, 147124), (2140, 73562), (4280, 36781)]