4159544420

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{719}}^1\times {\mathrm{2081}}^1$

素因数の和:2948

約数の個数: 48

約数和(自身を含む): 8814355200

約数和(自身を除く): 4654810780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 719, 1390, 1438, 2081, 2780, 2876, 3595, 4162, 7190, 8324, 10405, 14380, 20810, 41620, 99941, 199882, 289259, 399764, 499705, 578518, 999410, 1157036, 1446295, 1496239, 1998820, 2892590, 2992478, 5785180, 5984956, 7481195, 14962390, 29924780, 207977221, 415954442, 831908884, 1039886105, 2079772210, 4159544420]

約数ペア:

[(1, 4159544420), (2, 2079772210), (4, 1039886105), (5, 831908884), (10, 415954442), (20, 207977221), (139, 29924780), (278, 14962390), (556, 7481195), (695, 5984956), (719, 5785180), (1390, 2992478), (1438, 2892590), (2081, 1998820), (2780, 1496239), (2876, 1446295), (3595, 1157036), (4162, 999410), (7190, 578518), (8324, 499705), (10405, 399764), (14380, 289259), (20810, 199882), (41620, 99941)]