165026440

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{27689}}^1$

素因数の和:27849

約数の個数: 32

約数和(自身を含む): 373815000

約数和(自身を除く): 208788560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5960, 27689, 55378, 110756, 138445, 221512, 276890, 553780, 1107560, 4125661, 8251322, 16502644, 20628305, 33005288, 41256610, 82513220, 165026440]

約数ペア:

[(1, 165026440), (2, 82513220), (4, 41256610), (5, 33005288), (8, 20628305), (10, 16502644), (20, 8251322), (40, 4125661), (149, 1107560), (298, 553780), (596, 276890), (745, 221512), (1192, 138445), (1490, 110756), (2980, 55378), (5960, 27689)]