4920392920

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{191903}}^1$

素因数の和:192555

約数の個数: 32

約数和(自身を含む): 11088213120

約数和(自身を除く): 6167820200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 1282, 2564, 3205, 5128, 6410, 12820, 25640, 191903, 383806, 767612, 959515, 1535224, 1919030, 3838060, 7676120, 123009823, 246019646, 492039292, 615049115, 984078584, 1230098230, 2460196460, 4920392920]

約数ペア:

[(1, 4920392920), (2, 2460196460), (4, 1230098230), (5, 984078584), (8, 615049115), (10, 492039292), (20, 246019646), (40, 123009823), (641, 7676120), (1282, 3838060), (2564, 1919030), (3205, 1535224), (5128, 959515), (6410, 767612), (12820, 383806), (25640, 191903)]