145909160

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{88969}}^1$

素因数の和:89021

約数の個数: 32

約数和(自身を含む): 336306600

約数和(自身を除く): 190397440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 88969, 177938, 355876, 444845, 711752, 889690, 1779380, 3558760, 3647729, 7295458, 14590916, 18238645, 29181832, 36477290, 72954580, 145909160]

約数ペア:

[(1, 145909160), (2, 72954580), (4, 36477290), (5, 29181832), (8, 18238645), (10, 14590916), (20, 7295458), (40, 3647729), (41, 3558760), (82, 1779380), (164, 889690), (205, 711752), (328, 444845), (410, 355876), (820, 177938), (1640, 88969)]