20130372280

素因数分解:

$2^3\times 5^1\times {\mathrm{31237}}^1\times {\mathrm{16111}}^1$

素因数の和:47359

約数の個数: 32

約数和(自身を含む): 45297599040

約数和(自身を除く): 25167226760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 16111, 31237, 32222, 62474, 64444, 80555, 124948, 128888, 156185, 161110, 249896, 312370, 322220, 624740, 644440, 1249480, 503259307, 1006518614, 2013037228, 2516296535, 4026074456, 5032593070, 10065186140, 20130372280]

約数ペア:

[(1, 20130372280), (2, 10065186140), (4, 5032593070), (5, 4026074456), (8, 2516296535), (10, 2013037228), (20, 1006518614), (40, 503259307), (16111, 1249480), (31237, 644440), (32222, 624740), (62474, 322220), (64444, 312370), (80555, 249896), (124948, 161110), (128888, 156185)]