9871292020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{415109}}^1$

素因数の和:415188

約数の個数: 48

約数和(自身を含む): 21967621200

約数和(自身を除く): 12096329180

約数列:

[1, 2, 4, 5, 10, 20, 29, 41, 58, 82, 116, 145, 164, 205, 290, 410, 580, 820, 1189, 2378, 4756, 5945, 11890, 23780, 415109, 830218, 1660436, 2075545, 4151090, 8302180, 12038161, 17019469, 24076322, 34038938, 48152644, 60190805, 68077876, 85097345, 120381610, 170194690, 240763220, 340389380, 493564601, 987129202, 1974258404, 2467823005, 4935646010, 9871292020]

約数ペア:

[(1, 9871292020), (2, 4935646010), (4, 2467823005), (5, 1974258404), (10, 987129202), (20, 493564601), (29, 340389380), (41, 240763220), (58, 170194690), (82, 120381610), (116, 85097345), (145, 68077876), (164, 60190805), (205, 48152644), (290, 34038938), (410, 24076322), (580, 17019469), (820, 12038161), (1189, 8302180), (2378, 4151090), (4756, 2075545), (5945, 1660436), (11890, 830218), (23780, 415109)]