20171240

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{17389}}^1$

素因数の和:17429

約数の個数: 32

約数和(自身を含む): 46953000

約数和(自身を除く): 26781760

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 17389, 34778, 69556, 86945, 139112, 173890, 347780, 504281, 695560, 1008562, 2017124, 2521405, 4034248, 5042810, 10085620, 20171240]

約数ペア:

[(1, 20171240), (2, 10085620), (4, 5042810), (5, 4034248), (8, 2521405), (10, 2017124), (20, 1008562), (29, 695560), (40, 504281), (58, 347780), (116, 173890), (145, 139112), (232, 86945), (290, 69556), (580, 34778), (1160, 17389)]