20130764440

素因数分解:

$2^3\times 5^1\times {\mathrm{31907}}^1\times {\mathrm{15773}}^1$

素因数の和:47691

約数の個数: 32

約数和(自身を含む): 45298511280

約数和(自身を除く): 25167746840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 15773, 31546, 31907, 63092, 63814, 78865, 126184, 127628, 157730, 159535, 255256, 315460, 319070, 630920, 638140, 1276280, 503269111, 1006538222, 2013076444, 2516345555, 4026152888, 5032691110, 10065382220, 20130764440]

約数ペア:

[(1, 20130764440), (2, 10065382220), (4, 5032691110), (5, 4026152888), (8, 2516345555), (10, 2013076444), (20, 1006538222), (40, 503269111), (15773, 1276280), (31546, 638140), (31907, 630920), (63092, 319070), (63814, 315460), (78865, 255256), (126184, 159535), (127628, 157730)]