56481320

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{28817}}^1$

素因数の和:28842

約数の個数: 48

約数和(自身を含む): 147836340

約数和(自身を除く): 91355020

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 28817, 57634, 115268, 144085, 201719, 230536, 288170, 403438, 576340, 806876, 1008595, 1152680, 1412033, 1613752, 2017190, 2824066, 4034380, 5648132, 7060165, 8068760, 11296264, 14120330, 28240660, 56481320]

約数ペア:

[(1, 56481320), (2, 28240660), (4, 14120330), (5, 11296264), (7, 8068760), (8, 7060165), (10, 5648132), (14, 4034380), (20, 2824066), (28, 2017190), (35, 1613752), (40, 1412033), (49, 1152680), (56, 1008595), (70, 806876), (98, 576340), (140, 403438), (196, 288170), (245, 230536), (280, 201719), (392, 144085), (490, 115268), (980, 57634), (1960, 28817)]