85448920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{52103}}^1$

素因数の和:52155

約数の個数: 32

約数和(自身を含む): 196953120

約数和(自身を除く): 111504200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 52103, 104206, 208412, 260515, 416824, 521030, 1042060, 2084120, 2136223, 4272446, 8544892, 10681115, 17089784, 21362230, 42724460, 85448920]

約数ペア:

[(1, 85448920), (2, 42724460), (4, 21362230), (5, 17089784), (8, 10681115), (10, 8544892), (20, 4272446), (40, 2136223), (41, 2084120), (82, 1042060), (164, 521030), (205, 416824), (328, 260515), (410, 208412), (820, 104206), (1640, 52103)]