9920488780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{719}}^1\times {\mathrm{23789}}^1$

素因数の和:24546

約数の個数: 48

約数和(自身を含む): 21582288000

約数和(自身を除く): 11661799220

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 719, 1438, 2876, 3595, 7190, 14380, 20851, 23789, 41702, 47578, 83404, 95156, 104255, 118945, 208510, 237890, 417020, 475780, 689881, 1379762, 2759524, 3449405, 6898810, 13797620, 17104291, 34208582, 68417164, 85521455, 171042910, 342085820, 496024439, 992048878, 1984097756, 2480122195, 4960244390, 9920488780]

約数ペア:

[(1, 9920488780), (2, 4960244390), (4, 2480122195), (5, 1984097756), (10, 992048878), (20, 496024439), (29, 342085820), (58, 171042910), (116, 85521455), (145, 68417164), (290, 34208582), (580, 17104291), (719, 13797620), (1438, 6898810), (2876, 3449405), (3595, 2759524), (7190, 1379762), (14380, 689881), (20851, 475780), (23789, 417020), (41702, 237890), (47578, 208510), (83404, 118945), (95156, 104255)]