8254120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{719}}^1$

素因数の和:778

約数の個数: 64

約数和(自身を含む): 21772800

約数和(自身を除く): 13518680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 280, 287, 328, 410, 574, 719, 820, 1148, 1435, 1438, 1640, 2296, 2870, 2876, 3595, 5033, 5740, 5752, 7190, 10066, 11480, 14380, 20132, 25165, 28760, 29479, 40264, 50330, 58958, 100660, 117916, 147395, 201320, 206353, 235832, 294790, 412706, 589580, 825412, 1031765, 1179160, 1650824, 2063530, 4127060, 8254120]

約数ペア:

[(1, 8254120), (2, 4127060), (4, 2063530), (5, 1650824), (7, 1179160), (8, 1031765), (10, 825412), (14, 589580), (20, 412706), (28, 294790), (35, 235832), (40, 206353), (41, 201320), (56, 147395), (70, 117916), (82, 100660), (140, 58958), (164, 50330), (205, 40264), (280, 29479), (287, 28760), (328, 25165), (410, 20132), (574, 14380), (719, 11480), (820, 10066), (1148, 7190), (1435, 5752), (1438, 5740), (1640, 5033), (2296, 3595), (2870, 2876)]