161012080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{105929}}^1$

素因数の和:105961

約数の個数: 40

約数和(自身を含む): 394059600

約数和(自身を除く): 233047520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 105929, 211858, 423716, 529645, 847432, 1059290, 1694864, 2012651, 2118580, 4025302, 4237160, 8050604, 8474320, 10063255, 16101208, 20126510, 32202416, 40253020, 80506040, 161012080]

約数ペア:

[(1, 161012080), (2, 80506040), (4, 40253020), (5, 32202416), (8, 20126510), (10, 16101208), (16, 10063255), (19, 8474320), (20, 8050604), (38, 4237160), (40, 4025302), (76, 2118580), (80, 2012651), (95, 1694864), (152, 1059290), (190, 847432), (304, 529645), (380, 423716), (760, 211858), (1520, 105929)]